GM320 Infrared Thermometer / Laser Temperature Tester Non-contact Main Features: - Precise non-contact IR thermometer, safe and easy to use. - Simply point to an object and read its temperature. - Laser sight allows accurate targeting. - Consist of optics, temperature sensor, signal amplifier, processing circuit and LCD display. - Laser on/off switch, auto power off and temperature data hold. - 20 seconds auto power off. - Celsius and Fahrenheit switchable. - Suitable for hot water pipes, hot engine parts, cooking surfaces, hot tubes insulation, electrical connection, ballasts in electric lights, electric motors, bearings, wine coolers hot asphalt, swimming pools, fish tanks, hot and cold food products, heating air conditioning, etc.