Eznsmart Non-contact Temperature Gun Infrared Thermometer with Laser Sight Precise non-contact IR thermometer, safe and easy to use. TR sight allows accurate targeting. Consist of optics, temperature sensor, signal amplifier, processing circuit and LCD display. TR on/off switch, Auto power off & temperature data hold. 20 seconds auto power off. Celsius and Fahrenheit switchable. Temperature range: -50 to 380 Package include: 1 x Infrared Thermometer 1 x Battery 1 x User Manual