Feature:    1. MULTIPLE USAGES: High accuracy non contact measurement, can be used for security, intrusion detection, human body temperature detection, intelligent building environmental temperature measurement, etc. 2. PRODUCT PARAMETER: The thermal imager has a target temperature measurement range of & 8209;40& 8209;+300& 8451;, a dynamic refresh rate of 8Hz, and a 32in LCD screen with a resolution of 320 x 240. 3. CLEAR DISPLAY: The imager screen can display and track the maximum, minimum and center point temperature, with high resolution, and clear display for easy and fast observation. 4. SIMPLE CHARGING: Equipped with 37V 1500mAh lithium battery, and adopts USB charging method, the battery life can reach 10 hours, which is convenient for going out. 5. PICTURE STORAGE: The built in SPI Flash chip can store 100 pictures, and you can view and copy image files by connecting a computer or mobile phone with a data cable, which is convenient and reliable. Specification: Item Type: Handheld Thermal Imager Material: Epoxy Sheet, Print Circuit Board Infrared Sensor: MLX90640ESF BAB Hardware Resolution: 32x24 pixel far infrared array Screen Resolution: 320x240 pixels Temperature Measurement Range: -40& 8451;-300& 8451; Measurement Accuracy: ±2& 8451; Working Temperature: 0& 8451;-50& 8451; Working Humidity: ≤70% Refresh Rate: 8Hz Field of View: Horizontal 55% x vertical 35 Emissivity: 0.95 Charging Specification: USB 5V 1A Battery Specification: 37V 1500mAh Li ion Battery x 1 (built in battery) Working Time: ≥10 hours Package List: 1 x Thermal Imager