Specification               Name: Portable Infrared Thermal Imager      Model: HT-102      Color: Black      Material: Metal      Temperature range: -20& 8451; to 300& 8451;      Accuracy: ±3& 8451; or ±5% of reading      Resolution: 0.1& 8451; or 0.1& 8457;      Working band: 8-14μm      Horizontal viewing angle / vertical viewing angle: 43°±1°/ 43°±1°      Infrared imagesresolution: 32 * 32      Visible imagesresolution: 640 * 480      Imagesformat: png      Video format: mp4      Frame rate: gHz      Focal length: fixed      Operation temperature range: 0& 8451; to 35& 8451;      Storage temperature range: -20& 8451; to 60& 8451;      Plug: USB Type-C      Power supply: power supply from external devices, such for Android phones      Item size: 60 * 30mm / 2.4 * 1.2in      Item weight: 19g / 0.7ounce      Package size: 175 * 100 * 60mm / 6.9 * 3.9 * 2.4in      Package weight: 250g / 8.8ounce                        Package Inlcluded:      1 × Mobile Phone External Thermal Imager      1 × Adapter      1 × English User Manual                        Please note:      This product is only suitable for Android phones with OTG function                        Applications:      After the product is connected to an Android phone, it can be operated       through the "Thermal Viewer" software on the phone. Viewing infrared       images or measuring the surface temperature of objects is very simple,       the product can be used for HVAC, building temperature difference detection,       equipment troubleshooting, preventive and predictive maintenance, etc                                                             Picture showing