1、3.4 Inch LCD Screen: This thermal imaging camera is designed with 3.4 inch LCD screen with the resolution of 240x320. Using advanced infrared technology to show images and videos that reveal temperature changes that eyes cannot see. 2、Wide Measuring Range: This infrared thermal imager provides wide measuring range from minus 40 to plus 380 degree centigrade, with high accuracy and 10Hz dynamic refresh rate. 3、Temperature Display: This infrared thermal sensor can display and track the highest temperature, the lowest temperature and the central point temperature. 4、Data Transmission: This thermal imager is equipped with 1GB memory card inside, and 32GB memory card expandable. You can check and copy image files by connecting your computer or phone with a cable. 5、Sturdy Shell: This thermal infrared camera adopts FR4 board material, the camera shell is sturdy and durable, effectively protecting the internal components well and has a long service life. Item Type: Infrared Thermal Imager Material: FR4 Model: MLX90640 Product Size: Approx. 100 x 72 x 20mm / 3.94 x 2.83 x 0.78in ( Manual Measurement, Slight Error May Exist ) Battery: 1500mAh Polymer Lithium Ion Battery (Inbuilt) Screen Size: 3.4 Inches Temperature Measuring Range: Minus 40℃ to Plus 380℃ /Minus 104℉ to Plus 716℉ Screen Resolution: 320 x 240 Hardware Resolution: 32 x 24 Far Infrared Array Measurement Accuracy: ±1℃ Refresh Frequency: 10Hz Field Of View: Horizontal 55 Degree and Vertical 35 Degree Emissivity: 0.95 Interface: PWR x 1, DATA x 1 Storage: Inbuilt 1G Memory Card (Up To 32GB Memory Card Expandable) 1 x Infrared Thermal Imager 1 x USB Cable 1 x Cloth