Features: Precise non-contact measurement, widely used for measuring the temperature of an object's surface. Safely measure the surface temperature of hard-to-reach objects, like electrified equipment or moving objects without any contact. Built-in laser pointer, providing higher target accuracy. Digital LCD display with backlight, convenient to read at night. Adjustable emissivity(0.1-1.0) and switchable temperature units between Celsius(?) and Fahrenheit(?). Automatic selection range and display resolution 0.1?/0.1?. Data hold function and auto power off function. High sensitive, providing fast and easy measurement. Handheld design, very portable and easy to use.