Infrared Thermal Imager Pocket Imaging Camera 256x192 IR Resolution 25Hz Refresh Rate with WiFi 3.2in Touch Screen Item Type: Infrared Thermal Imager Detector Resolution: 256x192 Pixel Size: 12um Response Band: 8-14um NETD: <50mk Frame Rate: 25Hz Lens Focal Length: Approx. 3.2mm / 0.13in Minimum Imaging Distance: Approx. 0.15m / 0.5ft Field of View: 56°×42° Temperature Measurement Unit: Celsius and Fahrenheit Emissivity Setting: 0.01-1.0 Adjustable Language: Chinese, English, German, Italian Operating Temperature: -10℃~50℃ Protection Level: IP54 IFOV: 3.75mrad Focus Mode: Fixed focus Temperature Measurement Function: Center point, highest temperature, lowest temperature Temperature Measurement Range: -20℃~550℃(-4℉~1022℉) Battery: 1 x Lithium battery(3000mah)