1. Portable Size: The small size of this thermal imager is convenient for everyday use, you can take it with you wherever you go. 2. 3.4 Inch Display: This thermal imager adopts a 3.4inch display screen to display and maximum temperature, minimum temperature, and center point temperature. 3. The measurement ranges is -40 to 300, 8Hz dynamic refresh rate. 4. The cover is made of FR4 epoxy sheet for better protections of internal and can long service time. 5. Built-in Flash chip, which can 100 pictures. Supports viewing and copying images files by connecting to computers or mobilephone via a data cable. Wide Applications: This tool can be widely used in high-precision non-contact temperature measurement, securitys and intrusion detection, body temperature detection, temperature monitoring of industrial parts, etc. Screen resolution: 320*240 pixels Temperature measurement ranges: -40 to 300 Measurement accuracy: 2 Working temperature: 0 to 50 Refresh rate: 8Hz Field of : horizontal 55 x 35 vertical Emissivity: 0.95 Recharging specification: USB Type-C 5V/1A Battery: 1 * lithium battery, 3.7V, 1500mAh Colour:black Material:plastic Package Contents: 1 x Infrared Imager 1 x USB Cable 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.