2. Temperature Measuring Range: The thermal imager has a refresh rate of 8Hz and an adjusting emissivity in the range of 0.1 to 0.99. The target temperature measurement range is ‑40 to +300°C and the operating environment is 10 to 50℃ 3. Sensor Field of View: The thermal imaging camera has a default sensor field of view of 75x110°. Two color modes, iron red and colorful. 1. 2.4in LCD Screen: Thermal imaging camera built in rechargeable lithium battery. 2.4in LCD screen with 320x240 resolution. Screen displays maximum temperature, minimum temperature, center point temperature and all coordinate points. 4. Micro-USB Interface: The thermal imaging camera has a photo function and built in memory for up to 100 photos. Use the micro-USB cable to connect to a computer to view, copy and delete images directly. 5. Wide Application: LCD thermal imager can be used for temperature detection of human body, PCB components heating, floor heating, auto parts, electrical switches and other situations., Weight: 0.23368999772 pounds, Manufacturer: NONDK