This is a handheld multifunctional thermal imager with the characteristics of small size and light weight. With a 2.8" TFT display, the data is clear at a glance. It can be used in many occasions and is an indispensable tool for home and industrial use. 1. Measuring range -40C to +300C, 8Hz dynamic refresh rate, 2.8" screen resolution of 320*240; the screen can display and track the maximum temperature, minimum temperature and central point temperature. 2. The shell is made of FR4 epoxy sheet, which better protects the internal components and has a long service life. 3. Small size, easy to carry. 4. Li-ion battery powered. USB-C charging; up to 4 hours of battery life. Can be used while charging. 5. Built-in SPI Flash chip, which can store 100 pictures. View and copy image files by connecting to a computer or mobile phone via a data cable. 6. Integrated design, no external equipment required. Material: epoxy resin board + printed circuit board. Infrared sensor: MLX90640ESF-BAB. Hardware resolution: 32*24 pixel far infrared array. Screen resolution: 320*240 pixels. Temperature measurement range: -40C to 300C, Measurement accuracy: 2C, Working temperature: 0 to 50C, Working humidity: 70% Refresh rate: 8Hz Field of view: Horizontal 55 x Vertical 35 Emissivity: 0.95 Charging specification: USB Type-C5V/1A. Product size: 85*55*30mm. Battery: 3.7V 800mAh Li-ion battery. Working time: 4 hours. application: High-precision non-contact temperature measurement. Security and Intrusion Detection. body temperature detection. Intelligent building environment temperature measurement and control Automobile air conditioning control. Microwave and Oven Temperature Sensing and Control. Temperature monitoring of industrial parts. visual temperature sensor. Floor heating equipment side leakage and maintenance. Thermal inspection of circuit boards and components. packing list: 1*thermal imager. 1*mirror cloth. 1*USB Type-C. This device adopts an integrated design and can work without external devices. The screen display parameters are shown in the figure below Taking pictures: In the power-on state, single press the camera/reset button to save the current image. View or copy images: After using the USB-C data cable to connect to the computer, press the mode switch button to switch to the U disk mode to read or copy images. Reset: The body can store 99 images. When the storage is full, press and hold the camera/reset button until the screen flickers and release it. The device will reset and return to the initial state after about 15 seconds. Note: This device is powered by a 3.7v lithium battery. It is recommended to keep the battery power display at about 50% before not using it for a long time.