Features 1、Handheld: This versatile thermal imager is compact and lightweight with a 3.4in TFT display for handheld use. 2、Strong Battery Life: When the thermal imager is out of power, it can be used while charging, and the battery life can be up to ten hours, which is very convenient. 3、Indispensable Tool: Thermal imaging cameras can be used in a variety of situations and are important tools for home and industry. 4、Rugged Shell: The shell of the thermal imager is made of FR4 material, which can better ensure the internal components, is not easy to damage, and has a long service life. 5、Detailed Temperature Display: The thermal imager screen can display and track maximum temperature, minimum temperature and center point temperature. Specification Item Type: Thermal Imager Material: FR4,PCB Model: MLX90640 Battery: 3.7V 1500mAh Li ion Battery (with built in battery) Application: Electronic Maintenance Equipment Basic Parameters: Infrared Sensor: MLX90640ESF–BAB Hardware Resolution: 32 x 24 pixel far infrared array Screen Resolution: 320 x 240 pixels Temperature Measurement Range: - 40℃-300℃ Measurement Accuracy: ±2℃ Working Temperature: 0℃-50℃ Working Humidity: ≤70% Refresh Rate: 8Hz Field of View: horizontal 55° x vertical 35° Emissivity: 0.95 Package List 1 x Thermal Imager