Function: 1. COMPACT AND PORTABLE: Measuring range -40 to 300, 8Hz dynamic refresh rate. Small size, easy to carry, integrated design, no external equipment 2. TEMPERATURE DISPLAY: 2.8 inch screen with 320x240 resolution displays and tracks the highest, lowest and middle temperature 3. DURABLE HOUSING: The housing uses FR4 epoxy sheet to better protect the internal components and ensure a long service life 4. CHARGING MODE: Powered by Li-Ion battery, charging via USB C, up to 4 hours of battery life that can be used while charging 5. BUILT-IN STORAGE: Built-in SPI Flash chip, can store 100 photos. Connect a computer or mobile phone with a data cable to view and copy the image file Specification: Item Type: Infrared Thermal Imager Material: epoxy resin board and circuit board Infrared sensor: for MLX90640ESF-BAB Hardware resolution: far infrared matrix 32x24 pixels Screen resolution: 320x240 pixels Temperature measurement range: -40 to 300 Measurement Accuracy: 2 Working temperature: 0 to 50 Working Humidity: 70% Refresh rate: 8Hz Field of view: horizontal 55 x vertical 35 Emissivity : 0.95 Charging Specification: USB Type-C 5V 1A Battery: Built-in 3.7V 600mAh Li-ion battery Working time: 4 hours App: High accuracy non-contact temperature measurement Security and intrusion detection Body temperature detection Intelligent measurement and control of the building's ambient temperature Car air conditioning control Microwave and oven temperature detection and control Temperature monitoring of industrial parts Visual temperature sensor Side leakage and maintenance of underfloor heating equipment Thermal inspection of printed circuit boards and components Package List: 1 x thermal imager 1 x wipe cloth 1 USB cable You can use direct boot.