This is a handheld and multifunctional thermal imager, with 2.4inch LCD display screen, you can see the data more clearly. Compact and lightweight, easy to carry. It can be used in a variety of situations and is an indispensable tool for household and industry use. Come on and try it, it will not let you down. Features: Built-in rechargeable lithium battery, USB interface, you do not need to worry about the battery. The refresh rate is 8Hz, the target temperature measurement ranges from -40 to +300, and the use environment is 0~50. The emissivity can be adjusted from 0.1 to 0.99 ranges. Sensor probe field angle, default 75 degrees*110 degrees MLX90640BAA probe. 2.4 inch LCD screen resolution is 320*240, the screen shows the highest temperature, the lowest temperature, the center point temperature, displays each coordinate point. The measurement accuracy is ±2 and the center area is 0~100. Camera function: built-in memory, you can take 100 photos. Once the USB cable is connected to the computer, you can view, copy, and delete the pictures on your computer. Wild application: Can be applied to electronic 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 * 240 Resolution: 32*24 Field of view: 75° * 110° Temperature measurement ranges: -40~300 Measurement accuracy: ±2 Refresh rate: 8Hz No calibration required Emissivity: 0.1~0.99 adjustable Battery: 1 * lithium battery, 1000mAh (included) Recharge time: about 2 hours Power: USB 5V/1A Working temperature: 0~50 Item size: 160 * 56 * 20mm / 6.3 * 2.2 * 0.8in Package size: 180 * 100 * 30mm / 7.1 * 3.9 * 1.2in Package weight: 121g / 4.3ounce Packing List: 1 * Thermal Imager