1. Material epoxy resin board + printed circuit board 2. Working hours: 4 hours 3. Use MLX90640ESF_BAB infrared sensor 4. Resolution: 32x24 5. Temperature measurement range: -40~300. 6. Measurement accuracy: +/-2C (central area, 0~100C). 7. Operating temperature: 10C~50C 8. Operating humidity: <=70% 9. Refresh rate: 8HZ 10. No calibration required 11. Field of view: 55x35 12. Display center point, maximum and minimum temperature 13. Take pictures (90 photos can be saved, can be connected to the computer, can be copied and deleted) 14. Rechargeable battery 15. TFT size: 1.8 inches (display resolution: 160x128) 16. Product size: 66x46x20mm 17. Power port: USB Type-C 5V/1A Instructions: 1. Charging: Use USB Type-C cable, 5V/1A. 2. Open/Close: Long press the middle button 4. Take a photo: Press the middle button 5. View photos: press the up or down key 6. Exit the photo: long press the up or down button 7. Copy photos: Connect to the computer with a usb cable, and the computer will get a disk. NOTE: You cannot change photos on disk or put other files on disk. exist Before connecting to a computer, please fully charge and turn off the power. application: High-precision non-contact temperature measurement Security and Intrusion Detection body temperature detection Intelligent building environment temperature measurement and control Automobile air conditioning control Microwave and Oven Temperature Sensing and Control Temperature monitoring of industrial parts visual temperature sensor Floor heating equipment side leakage and maintenance Thermal inspection of circuit boards and components packing list: 1*thermal imager 1*screen cloth 1*USB Type-C