Description: Built-in rechargeable lithium battery, USB charging port, no need to worry about power. The refresh rate is 8Hz, the target temperature measurement range is -40~+300 degree, and the operating environment is 10~50 degree. The emissivity can be adjusted from 0.1 to 0.99. 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. Specification: Size: 85x53x20mm/3.35x2.09x0.79inch Resolution: 32x24 Temperature Measurement Range: -40~300 degree Measurement Accuracy: +/-2 degree (Central Area, 0~100 degree) Working Temperature: 10~50 degree Working Humidity: