Description: This product is operated by the "Thermal Viewer" software on the mobile phone after connecting to the mobile phone for A-ndroid system. It is very simple to view the infrared for image or measure the surface temperature of the objects, this product can be used for HVAC, building heat difference detection, equipment troubleshooting, preventive and predictive maintenance, etc. Specification: Model:HT-102 Color:black Material: metal Temperature range: -20 to 300 Accuracy: 3 or 5% of reading Resolution: 0.1 or 0.1 Working band: 8-14m Horizontal viewing angle / vertical viewing angle: 431/ 431 Infrared for image resolution: 32 * 32 Visible for image resolution: 640 * 480 for Image format: png Video format: mp4 Frame rate: gHz Focal length: fixed Operation temperature range: 0 to 35 Storage temperature range: -20 to 60 Plug: USB Type-C and A-ndroid Power supply: power supply from external devices, such for A-ndroid phones Size: 59 x 30 x 12mm Weight:19g Package Included: 1 x Mobile Phone External Thermal Imager 1 x Adapter 1 x Storage Box 1 x User Manual Note:Please turn on the OTG function when connecting to the mobile phone.