Buying guide

Smartphone Thermal Camera Attachments

Our pick

FLIR ONE Edge Pro

Choose the FLIR ONE Edge Pro for thermal inspections with your phone.1

Why this one

  • The wireless connection lets you place the camera where you need it while keeping your phone in a comfortable viewing position.1
  • Its visible-image overlay helps you identify the part behind a hotspot, and the same camera works with supported Android and iOS devices.1
Compare the alternatives
FLIR ONE Edge Pro

The alternatives

Other contenders

  • HIKMICRO Mini2 V2

    For a light plug-in setup, consider the Mini2 V2: its roughly 20 gram module uses USB-C and supports compatible iOS, Android and Windows devices.7

  • HIKMICRO Mini2Plus V2

    Choose the USB-C Mini2Plus V2 for manual focus in a lighter module: it weighs roughly 24 grams, versus roughly 45 grams for the Mini3.8925

  • HIKMICRO Mini3

    For a finer detector grid on an Android USB-C device, choose the Mini3: it provides 384 by 288 thermal pixels, compared with the Edge Pro’s 160 by 120.19

  • HIKMICRO MiniE

    For a household with USB-C phones and Lightning iPhones, consider the MiniE package, which includes support for both connector types.1026

  • Thermal Master P2 Pro Android with Macro Lens

    For close-up circuit-board checks, choose the Android USB-C P2 Pro package with its included magnetic macro lens.16

  • TOPDON TC001 Plus

    For a USB-C attachment that combines visible and thermal images on Android or Windows, choose the TC001 Plus to locate a hotspot on the actual component.2227

  • TOPDON TC002C Duo

    For a direct USB-C camera used across compatible iPhones, Android devices and Windows computers, choose the TC002C Duo.23

Buying advice

  • Check the app requirements before buying the ONE Edge Pro: FLIR currently specifies iOS 17 or later, or Android 13 or later.1
  • The Nano packages here include Android USB C and iPhone USB C versions; match the exact package to your phone.121314
  • The Mini3’s 50 Hz mode requires a mobile device with at least 8 GB of RAM.9
  • Match each wired ONE Pro package to your phone: Android USB C, iPhone Lightning and iPhone USB C versions are separate.34542
  • The Android P2 Pro needs Android 6.0 or later, OTG enabled and the Thermal Master app with its required permissions.43
  • Compare native detector grids separately from enhanced images: the TC001 Max has a 256 by 192 detector, while its 512 by 384 image uses TISR processing.21
  • The plain TC002C supports iPhone 15 and 16 models and USB-C iPads, not Android or Mac; check the separate TC002C Duo compatibility list if you need broader device support.2341
  • For the US Testo 860i package, check iOS 17 or Android 14 or later and Bluetooth 4.0 support; its app connection is wireless, while USB-C is for charging.15

Compare the options

Products 1–24 of 25. Requirements and ordering apply to this page. 24 products

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Browse all 25 models and their full specifications

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Thermal sensitivity (mK)
Refresh rate (Hz)
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Models in this comparison

Every specification for these products
SpecificationFLIR ONE Edge ProFLIR ONE EdgeFLIR ONE Pro Android USB-CFLIR ONE Pro iOS LightningFLIR ONE Pro iOS USB-CFOTRIC TP320A AndroidHIKMICRO Mini2 V2HIKMICRO Mini2Plus V2HIKMICRO Mini3HIKMICRO MiniEHIKMICRO MiniXSeek Thermal Nano 200Seek Thermal Nano 300Seek Thermal Nano 300 Apple USB-CTesto 860i US BareThermal Master P2 Pro Android with Macro LensThermal Master P3Thermal Master P4 AndroidThermal Master T2S Pro (Android)TOPDON TC001TOPDON TC001 MaxTOPDON TC001 PlusTOPDON TC002C DuoTOPDON TC002C iOS USB-C
Thermal resolution160 × 120 (native resolution)180 × 60 (native resolution)2160 × 1203160 × 1204160 × 1205320*2406256×192 pixels28256 × 1928384 × 288996 × 96 (9, 216 pixels)26256 x 192 (Tested configuration: Native detector grid; SuperIR is separately described enhancement)11200 x 150 px29320 x 240 Sensor30320 x 24014256 x 19215256×19231256x19232256 × 19218256×19233256x19220256×192 (Tested configuration: Native IR detector256×192; TISR enhancement512×384 is processed image resolution)21256 × 192 pixels22256x19223256 x 19234
Phone connectionWireless1Wireless2USB-C3Lightning4USB-C5USB-C6USB-C7USB-C8USB-C9Lightning USB c10Wireless11USB-C12USB-C13USB-C14Wireless (Host interface: Thermal app communication via WLAN; Bluetooth 4.0 supports connection setup. USB-C is charging.)15USB-C16USB-C17USB-C18USB-C19USB-C20USB-C (Tested configuration: Supplied USB-C to USB-C and USB-C to Lightning adapters; check exact host support)21USB-C22USB-C23USB-C (Tested configuration: Plain iOS physical USB-C version; not Duo)24
Thermal sensitivity70 mK170 mK270 mK370 mK470 mK5Less than 35 mK (Environment: 30°C)6Less than 40 mK7Less than 40 mK8Less than 35 mK (Environment: 25 °C; Tested configuration: F#=1.0)9Less than 50 mK (Environment: 25 °C; Tested configuration: F#=1.0)26Less than 40 mK (Tested configuration: At 25°C, F/1.0)1135 mK2935 mK3035 mK1450 mK15Up to 40 mK (Environment: 25℃; Tested configuration: F#1.0)31Less than 35 mK (Environment: 25℃)35Less than 50 mK18Up to 40 mK (Environment: 25℃; Tested configuration: F#1.0)33Less than 40 mK20Up to 40 mK36Less than 40 mK27Less than 40 mK23Less than 40 mK (Tested configuration: At 25°C, F/1.0 and 25Hz; preserve the strict upper bound)24
Refresh rate8.7 Hz18.7 Hz28.7 Hz38.7 Hz48.7 Hz525 Hz625 Hz2825 Hz850 Hz (Host: mobile device with at least 8 GB RAM)925 Hz2625 Hz3725 Hz2925 Hz3025 Hz149 Hz1525 Hz3125 Hz3225 Hz3825 Hz3325 Hz2025 Hz3625 Hz2225 Hz2325 Hz24
Accuracy±3°C (5.4°F) or ±5%. Applicable 60 sec after start-up when the unit is within 15°C to 35°C (59°F to 95°F) and the scene is within 5°C to 120°C (41°F to 248°F)1±3°C (5.4°F) or ±5%. Applicable 60 sec after start-up when the unit is within 15°C to 35°C (59°F to 95°F) and the scene is within 5°C to 120°C (41°F to 248°F)2±3°C (±5.4°F) or 5%, typical percent of the difference between ambient and scene temperature. Applicable 60 s after start-up when the unit is within +15 °C to +35°C (+59°F to +95° F) and the scene is within +5°C to +120°C (+41°F to +248°F)3±3°C (±5.4°F) or 5%, typical percent of the difference between ambient and scene temperature. Applicable 60 s after start-up when the unit is within +15 °C to +35°C (+59°F to +95° F) and the scene is within +5°C to +120°C (+41°F to +248°F)4±3°C (±5.4°F) or 5%, typical percent of the difference between ambient and scene temperature. Applicable 60 s after start-up when the unit is within +15 °C to +35°C (+59°F to +95° F) and the scene is within +5°C to +120°C (+41°F to +248°F)5±2°C (Environment: Ambient15–35°C; target>0°C; calibrated at1m; ±2°C or ±2%, whichever is greater)6Max (±2°C/3.6°F, ±2%), for ambient temperature 15°C to 35°C (59°F to 95°F) and object temperature above 0°C (32°F)7±2 °C of ±2%8Max (±2°C/3,6°F, ±2%), für eine Umgebungstemperatur von 15°C bis 35°C (59°F bis 95°F) und eine Objekttemperatur über 0°C (32°F)9Max (±2°C/3.6°F, ±2%), for ambient temperature 15°C to 35°C (59°F to 95°F) and object temperature above 0°C (32°F)26Max (±2°C/3.6°F, ±2%), for the ambient temp. 15°C to 35°C (59°F to 95°F) and object temp. above 0°C (32°F) (Tested configuration: Higher of ±2°C or ±2%; ambient 15–35°C and object temperature above 0°C)11±5°C or 5%29±5°C or 5%30±5°C or 5%14±3 °C (Environment: Ambient -10 to 40 °C; scene 0 to +150 °C or +100 to +350 °C; ±3 °C or ±3% of measured value)15±2℃ (Workload: PCB accuracy)31±2℃ lub ±2% odczytu32±2°C38±2℃ PCB Accuracy (Workload: PCB Accuracy)33±2°C or ±2%20±2°C or ±2%36±2° C or ±2% of reading, the larger value shall prevail22±2°C or ±2%23±2 °C or ±2% of reading (Tested configuration: Maker notes potential error below 1°C for targets below 100°C; this is not an unconditional ±1°C accuracy specification)24
Temperature rangeNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot published-20–+350 °C15Not publishedNot publishedNot publishedNot publishedNot published-20–550 °C21Not publishedNot published-20–550 °C (Tested configuration: Table separately prints -20 to 150°C and 150 to 550°C measurement ranges)24
Field of viewNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot published56.0 °31Not publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot published
WeightNot publishedNot publishedNot publishedNot published36.5 g540 g6Approx. 20 g7Approx. 24 g25Approx. 45 g920 g39Approx. 158 g (Tested configuration: Approximate camera weight)11Not publishedNot publishedNot published195 g159 g31Not published26.5 g3819.5 g33Not publishedNot publishedNot publishedNot published30 g24
Power drawNot publishedNot publishedNot publishedNot publishedNot published0.5 W (Tested configuration: Typical consumption; powered by host phone USB-C)60.36 W (360 mW)70.36 W (360 mW)250.55 W (550 mW)400.31 W (310 mW)26Not publishedNot publishedNot publishedNot publishedNot published0.33 W310.32 W350.58 W38Not publishedNot publishedLess than 0.38 W21Not publishedNot published0.35 W (Tested configuration: Runtime depends on the connected host battery; not internal camera battery runtime)41
Visible image alignmentYes1Yes2Yes3Yes4Yes5Not publishedNot publishedNot publishedNot publishedNot publishedYes11Not publishedNot publishedNot publishedNot publishedNot publishedNot publishedYes38Not publishedNot publishedYes21Yes27Not publishedNot published
Macro lensNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedIncluded16Not publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot published
Works withiOS( version 17 and later) or Android (version 13 and later) smartphones and tablets1iOS ( version 17 and later) or Android (version 13 and later) smartphones and tablets2Android USB-C3iOS4Apple (USB-C)42Android 12 or above (Host interface: USB-C with OTG enabled; no Apple iPhone support)6iOS (version 14 and later), Android (version 7 and later) smartphones and tablets, or Windows devices7iOS (version 14 and later), Android (version 7 and later) smartphones and tablets, or Windows devices25Android9iOS (version 14 and later), Android (version 7 and later) smartphones and tablets, or Windows devices26iOS (version 14 and later), Android (version 9 and later) smartphones and tablets, or Windows devices11Android12Android devices using USB-C connectors13iPhone 15 and newer14iOS 17 or later/Android 14 or later (Host interface: Bluetooth 4.0 required; WLAN communicates with app)15Android 6.0 at least (Tested configuration: OTG available and enabled; Thermal Master app installed with its required permissions)43Połącz się z telefonami iPhone®, iPad®, Android™ i komputerami PC iPhone 8-16 Android 7.0 ponad systemem32Android 6.0 and above38Android 6.0 and above (Tested configuration: Android variant 49097501671708; SKU 1A00800003)33Android smartphone/tablet or Windows laptop20iOS, Android, and Windows21Android/Windows devices27iOS, Android, Windows23iPhone 15 Series, iPhone 16 Series, and Type-C iPads (Tested configuration: Not compatible with Android or Mac)41

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Products 1–24 of 25. Requirements and ordering apply to this page. 24 products

Testo 860i US Bare, model photo 1

Testo 860i US Bare

Phone connection
Wireless (Host interface: Thermal app communication via WLAN; Bluetooth 4.0 supports connection setup. USB-C is charging.)15
TOPDON TC001 Max, model photo 1

TOPDON TC001 Max

Phone connection
USB-C (Tested configuration: Supplied USB-C to USB-C and USB-C to Lightning adapters; check exact host support)21

How they compare

Scroll the table to see every product and specification.

SpecificationOur pickFLIR ONE Edge ProFLIR ONE EdgeFLIR ONE Pro Android USB-CFLIR ONE Pro iOS LightningFLIR ONE Pro iOS USB-CFOTRIC TP320A AndroidHIKMICRO Mini2 V2HIKMICRO Mini2Plus V2HIKMICRO Mini3HIKMICRO MiniEHIKMICRO MiniXSeek Thermal Nano 200Seek Thermal Nano 300Seek Thermal Nano 300 Apple USB-CTesto 860i US BareThermal Master P2 Pro Android with Macro LensThermal Master P3Thermal Master P4 AndroidThermal Master T2S Pro (Android)TOPDON TC001TOPDON TC001 MaxTOPDON TC001 PlusTOPDON TC002C DuoTOPDON TC002C iOS USB-C
Thermal resolution160 × 120 (native resolution)180 × 60 (native resolution)2160 × 1203160 × 1204160 × 1205320*2406256×192 pixels28256 × 1928384 × 288996 × 96 (9, 216 pixels)26256 x 192 (Tested configuration: Native detector grid; SuperIR is separately described enhancement)11200 x 150 px29320 x 240 Sensor30320 x 24014256 x 19215256×19231256x19232256 × 19218256×19233256x19220256×192 (Tested configuration: Native IR detector256×192; TISR enhancement512×384 is processed image resolution)21256 × 192 pixels22256x19223256 x 19234
Phone connectionWireless1Wireless2USB-C3Lightning4USB-C5USB-C6USB-C7USB-C8USB-C9Lightning USB c10Wireless11USB-C12USB-C13USB-C14Wireless (Host interface: Thermal app communication via WLAN; Bluetooth 4.0 supports connection setup. USB-C is charging.)15USB-C16USB-C17USB-C18USB-C19USB-C20USB-C (Tested configuration: Supplied USB-C to USB-C and USB-C to Lightning adapters; check exact host support)21USB-C22USB-C23USB-C (Tested configuration: Plain iOS physical USB-C version; not Duo)24
Thermal sensitivity70 mK170 mK270 mK370 mK470 mK5Less than 35 mK (Environment: 30°C)6Less than 40 mK7Less than 40 mK8Less than 35 mK (Environment: 25 °C; Tested configuration: F#=1.0)9Less than 50 mK (Environment: 25 °C; Tested configuration: F#=1.0)26Less than 40 mK (Tested configuration: At 25°C, F/1.0)1135 mK2935 mK3035 mK1450 mK15Up to 40 mK (Environment: 25℃; Tested configuration: F#1.0)31Less than 35 mK (Environment: 25℃)35Less than 50 mK18Up to 40 mK (Environment: 25℃; Tested configuration: F#1.0)33Less than 40 mK20Up to 40 mK36Less than 40 mK27Less than 40 mK23Less than 40 mK (Tested configuration: At 25°C, F/1.0 and 25Hz; preserve the strict upper bound)24
Refresh rate8.7 Hz18.7 Hz28.7 Hz38.7 Hz48.7 Hz525 Hz625 Hz2825 Hz850 Hz (Host: mobile device with at least 8 GB RAM)925 Hz2625 Hz3725 Hz2925 Hz3025 Hz149 Hz1525 Hz3125 Hz3225 Hz3825 Hz3325 Hz2025 Hz3625 Hz2225 Hz2325 Hz24
Accuracy±3°C (5.4°F) or ±5%. Applicable 60 sec after start-up when the unit is within 15°C to 35°C (59°F to 95°F) and the scene is within 5°C to 120°C (41°F to 248°F)1±3°C (5.4°F) or ±5%. Applicable 60 sec after start-up when the unit is within 15°C to 35°C (59°F to 95°F) and the scene is within 5°C to 120°C (41°F to 248°F)2±3°C (±5.4°F) or 5%, typical percent of the difference between ambient and scene temperature. Applicable 60 s after start-up when the unit is within +15 °C to +35°C (+59°F to +95° F) and the scene is within +5°C to +120°C (+41°F to +248°F)3±3°C (±5.4°F) or 5%, typical percent of the difference between ambient and scene temperature. Applicable 60 s after start-up when the unit is within +15 °C to +35°C (+59°F to +95° F) and the scene is within +5°C to +120°C (+41°F to +248°F)4±3°C (±5.4°F) or 5%, typical percent of the difference between ambient and scene temperature. Applicable 60 s after start-up when the unit is within +15 °C to +35°C (+59°F to +95° F) and the scene is within +5°C to +120°C (+41°F to +248°F)5±2°C (Environment: Ambient15–35°C; target>0°C; calibrated at1m; ±2°C or ±2%, whichever is greater)6Max (±2°C/3.6°F, ±2%), for ambient temperature 15°C to 35°C (59°F to 95°F) and object temperature above 0°C (32°F)7±2 °C of ±2%8Max (±2°C/3,6°F, ±2%), für eine Umgebungstemperatur von 15°C bis 35°C (59°F bis 95°F) und eine Objekttemperatur über 0°C (32°F)9Max (±2°C/3.6°F, ±2%), for ambient temperature 15°C to 35°C (59°F to 95°F) and object temperature above 0°C (32°F)26Max (±2°C/3.6°F, ±2%), for the ambient temp. 15°C to 35°C (59°F to 95°F) and object temp. above 0°C (32°F) (Tested configuration: Higher of ±2°C or ±2%; ambient 15–35°C and object temperature above 0°C)11±5°C or 5%29±5°C or 5%30±5°C or 5%14±3 °C (Environment: Ambient -10 to 40 °C; scene 0 to +150 °C or +100 to +350 °C; ±3 °C or ±3% of measured value)15±2℃ (Workload: PCB accuracy)31±2℃ lub ±2% odczytu32±2°C38±2℃ PCB Accuracy (Workload: PCB Accuracy)33±2°C or ±2%20±2°C or ±2%36±2° C or ±2% of reading, the larger value shall prevail22±2°C or ±2%23±2 °C or ±2% of reading (Tested configuration: Maker notes potential error below 1°C for targets below 100°C; this is not an unconditional ±1°C accuracy specification)24
Temperature rangeNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot published-20–+350 °C15Not publishedNot publishedNot publishedNot publishedNot published-20–550 °C21Not publishedNot published-20–550 °C (Tested configuration: Table separately prints -20 to 150°C and 150 to 550°C measurement ranges)24
Field of viewNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot published56.0 °31Not publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot published
WeightNot publishedNot publishedNot publishedNot published36.5 g540 g6Approx. 20 g7Approx. 24 g25Approx. 45 g920 g39Approx. 158 g (Tested configuration: Approximate camera weight)11Not publishedNot publishedNot published195 g159 g31Not published26.5 g3819.5 g33Not publishedNot publishedNot publishedNot published30 g24
Power drawNot publishedNot publishedNot publishedNot publishedNot published0.5 W (Tested configuration: Typical consumption; powered by host phone USB-C)60.36 W (360 mW)70.36 W (360 mW)250.55 W (550 mW)400.31 W (310 mW)26Not publishedNot publishedNot publishedNot publishedNot published0.33 W310.32 W350.58 W38Not publishedNot publishedLess than 0.38 W21Not publishedNot published0.35 W (Tested configuration: Runtime depends on the connected host battery; not internal camera battery runtime)41
Visible image alignmentYes1Yes2Yes3Yes4Yes5Not publishedNot publishedNot publishedNot publishedNot publishedYes11Not publishedNot publishedNot publishedNot publishedNot publishedNot publishedYes38Not publishedNot publishedYes21Yes27Not publishedNot published
Macro lensNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedIncluded16Not publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot publishedNot published
Works withiOS( version 17 and later) or Android (version 13 and later) smartphones and tablets1iOS ( version 17 and later) or Android (version 13 and later) smartphones and tablets2Android USB-C3iOS4Apple (USB-C)42Android 12 or above (Host interface: USB-C with OTG enabled; no Apple iPhone support)6iOS (version 14 and later), Android (version 7 and later) smartphones and tablets, or Windows devices7iOS (version 14 and later), Android (version 7 and later) smartphones and tablets, or Windows devices25Android9iOS (version 14 and later), Android (version 7 and later) smartphones and tablets, or Windows devices26iOS (version 14 and later), Android (version 9 and later) smartphones and tablets, or Windows devices11Android12Android devices using USB-C connectors13iPhone 15 and newer14iOS 17 or later/Android 14 or later (Host interface: Bluetooth 4.0 required; WLAN communicates with app)15Android 6.0 at least (Tested configuration: OTG available and enabled; Thermal Master app installed with its required permissions)43Połącz się z telefonami iPhone®, iPad®, Android™ i komputerami PC iPhone 8-16 Android 7.0 ponad systemem32Android 6.0 and above38Android 6.0 and above (Tested configuration: Android variant 49097501671708; SKU 1A00800003)33Android smartphone/tablet or Windows laptop20iOS, Android, and Windows21Android/Windows devices27iOS, Android, Windows23iPhone 15 Series, iPhone 16 Series, and Type-C iPads (Tested configuration: Not compatible with Android or Mac)41

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