Specification: Item Type: Thermal Imager Material: Aluminum alloy Model: MLX90640 Use MLX90640BAA thermal imaging sensor Resolution: 24x32 Temperature Measurement Range: -40~300 Measurement Accuracy: ±2 (central area, 0~100) Working Temperature: 0~50 Refresh Rate: 8HZ No calibration required Sensor Field of View: 75°x110° Emissivity: 0.1~0.99 Adjustable Serial port output temperature(reserved serial port on the circuit board) Display center point, highest and lowest temperature Camera function(built-in memory, you can take 100 photos, without the help of other tools, the Micro USB data cable is directly connected to the computer, and the computer can browse, copy and delete pictures) Built-in 1000mah rechargeable battery (can be used about 6 hours when fully charge, takes about 2 hours to fully charge) Screen Size: 2.4inch (display resolution: 240x320) Battery Model: Lithium battery Package List: 1 x Infrared Thermal Imager