Use AMG8833 infrared thermal sensor. The resolution is 8x8! The farthest detection distance is 7 meters! The module can be powered directly by USB 5V to produce infrared images. It can be applied to check electronic products.And its objectsFever. Portable and compact, high performance, easy to use. Made of high quality PCB, durable & long time service. Specifications: Material: PCB Size: 90X80X20mm/3.5X3.1X0.8in Temperature accuracy: High performance type high gain: typical 2.5 4.5 High performance type low gain: typical 3.0 5.4 Human detection distance: 7m or less (reference value) 22.966 ft NETD: Typ. 0.05 32.900 1Hz Typ. 0.16 32.288 10Hz Viewing angle: typical 60 Optical axis space: within typical 5.6 Current consumption: Typical 4.5mA (normal mode) Typical 0.2mA (sleep mode) Typical 0.8mA (stand-by mode) Setup time: Typical 50ms (time to enable communication after setup) Typical 15s (time to stabilize output after setup) Number of : 64 (vertical 8 x horizontal 8 matrix) External interface: 12C (fast mode) Frame rate: typical 10 frames/sec or 1 frame/sec Operating mode: normal, sleep, stand-by (10 sec or 60 sec intermittence) Output mode: temperature output Calculate mode: no moving average or twice moving average Temperature output resolution: 0.25 / 32.45 Number of sensor address: 2 (12C slave address) Thermistor output temperature range: -20~80 (-4~176) Thermistor output resolution: 0.0625 / 32.1125 Notes: 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. Package Includes: 1x IR Thermal Imager