Built-in rechargeable lithium battery, Micro-USB interface, no need to worry about power. The refresh rate is 8Hz, the target temperature range is -40-+300Celsius, and the operating environment is 10-50Celsius.The emissivity can be adjusted from 0.1 to 0.99. The field of view angle of the sensor probe, the default is 75 degrees * 110 degrees MLX90640ESF-BAA probe.The 2.4-inch LCD screen has a resolution of 320*240, and the screen displays the highest temperature, the lowest temperature, the temperature of the center point, and each coordinate point.With camera function, built-in memory, can take 100 photos, no need to use other tools, use the Micro-USB cable to connect directly to the computer, you can browse, copy, and delete the pictures.It can be applied to human body temperature detection, PCB component heating temperature detection, floor heating temperature detection, auto parts temperature detection, electrical switch temperature detection, air conditioner microwave oven detection, etc.Note: It is recommended to fully charge the thermal imager before connecting it to the computer, and then connect it to the computer after shutting it down.1. Module:JM_MLX90640_CP(RedBlue Type)2. Use MLX90640ESF_BAB IR Sensor3. Measurement accuracy : +/-2Celsius(Central area,0-100Celsius)4. Operate humidity: less than equal 70%5. Refresh rate : 8HZ max6. No need to calibrate7. Two color module: Iron color and Rainbow color8. Rechargeable Battery9. Product size : 85x53x20mm10. Power port : Micro-USB 5V/1AStyle: Handheldcolour:Blue+redMaterial:ABSPackage Contents:1 x Thermal imager1 x USB data cable1 x LanyardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.