Features: Built-in rechargeable lithium battery, Micro USB port. The refresh rate is 8Hz, the temperature range is -40~+300℃, and the operating environment is 0~50℃. 2.4-inch LCD screen, resolution : 320x240. The screen displays the maximum temperature, minimum temperature, central point temperature and all coordinate points. Built-in memory for taking 100 photos. After connecting the Micro USB cable to your computer, you can view, copy, and delete images on your computer. Can be used for human body temperature detection, PCB components heating temperature detection, floor heating temperature detection, auto parts temperature detection, electrical switch temperature detection, air conditioning microwave oven detection, etc. Specifications: Material: ABS Size: 160x56x20mm/6.3x2.2x0.79in Resolution: 32 x 24 View: 75 ° 110 ° Temperature range: -40 ° C to 300 ° C Measurement accuracy: ±2℃ Refresh rate: 8Hz Without calibration Emissivity: 0.1~0.99 adjustable Battery: 1x lithium battery, 1000mAh (inclusive) Charging time: about 2 hours Power supply: Micro USB 5V/1A Operating temperature: 0℃~50℃ Package Includes: 1X Thermal Imager note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.