Feature: 1. Epoxy Resin Board Material: The shell is made of premium FR4 epoxy resin board for better protection of internal components and long service life. 2. Great Performance: The measurement range is minus 40°C to 300°C, and the dynamic updating frequency is 8Hz. It works with lithium ion batteries. USB C charging, battery life is up to 4 hours, can be used while charging. 3. Display: Big screen, data at a glance. The screen displays and tracks the maximum temperature, minimum temperature and temperature at the center point. 4. Built in SPI Flash Chip: This imager can store 100 pictures, connect a computer or mobile phone through a data cable to view and copy image files. 5. Multifunctional: Small size, easy to carry. This handheld thermal imager can be used in many occasion and is an essential tool for household and industrial use. Specification: Item Type: Infrared Thermal Imager Material: Epoxy resin board and printed circuit board Weight: Approx. 171g/6.0oz Product Size: Approx. 8.1x5.6x2.2cm/3.2x2.2x0.9in Applications: High precise non contact temperature measurement, security and intrusion detection, temperature detection, intelligent building environment temperature measurement and control, automobile conditioning control, microwave oven and oven temperature detection and control, industrial parts temperature monitoring, apparent temperature sensor, floor heating equipment leakage and maintenance, thermal detection of circuit boards and components Infrared Sensor: MLX90640ESF BAB Hardware Resolution: 32x24 pixel far infrared array Screen Resolution: 320x240 pixel Temperature Measurement Range: minus40℃ to 300℃ Measurement Accuracy: ±2℃ Operating Temperature: 0 to 50℃ Operating Humidity: ≤70% Refresh Rate: 8Hz View Field: Horizontal 55° x vertical 35° Emissivity: 0.95 Charging Specification: USB Type C Battery: 3.7V 800mAh lithium ion battery (shipped with built in battery) Working Time: ≥4 hours. Package List: 1 x Infrared Thermal Imager1 x Black Cloth 1 x Black Box 1 x USB Cable 1 x Specification