Features: With the housing, you can use it directly, the sensors resolution is 24 x 32 dot matrix. Built-in rechargeable lithium battery, mciro-USB interface, interface voltage does not exceed 5V. The response frequency is 8Hz, the target temperature measurement ranges is -40~+300, and the use environment is 0~50. The emissivity can be adjusted from 0.01 to 1.00 range. Sensors probe field angle, default 35 degrees x 55 degrees MLX90640 ESF-BAB probe. 2.4 inch LCD screen resolution is 320 x 240, the screen shows the highest temperature, the lowest temperature, the center point temperature, displays each coordinate point. The measurement accuracy is 2. With a screenshot function, you can pause the picture for analysis. With the screen color corresponding to the temperature adjustment function, you can set the temperature to display different colors. With USB data transmission interface, can upgrade the system later, free to update the internal system, the default system version 1.0. Can be applied to human body temperature detection, printed circuit board component heating temperature detection, floor heating temperature detection, automotive parts temperature detection, electrical switch temperature detection, air conditioning and microwave oven detection, etc. Specifications: Material: ABS Color: black Display: 2.4 inch color display, 320 x 240 Resolution: 32 x 24 FOV/Shortest focal length: 55 x 35 Temperature ranges: -40~300 Measurement accuracy: 2 Imaging frequency: 8Hz Emissivity: 0.01~1.00 adjustable Focus mode: fixed Power supply: 1 x lithium battery, 1000mAh (included) Working temperature: 0~50 Storage temperature: -40~70 Humidity: Less than 90% RH Item size: 79 x 50 x 32mm / 3.1 x 2.0 x 1.3in Item weight: 66g / 2.3ounce Package Contents: 1 x Thermal Imager Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.