1、A built in Laser gives you the precision to hone in on the exact space you want to measure. 2、Multi-Function: extremely handy, consistent and versatile for Instant temp readings in performing auto maintenance, doing home repairs and a host of other tasks. 3、Backlight LCD screen: auto shut-off to extend the battery life and features a low battery indicator. 4、Handle and safe: keep your hands safe， measure temperature without surface contact. Digital Infrared Thermometer Laser Industrial Temperature Gun Non-Contact with Backlight -50-550°C（NOT for Humans）Battery not included Features： A built in Laser gives you the precision to hone in on the exact space you want to measure. Multi-Function: extremely handy, consistent and versatile for Instant temp readings in performing auto maintenance, doing home repairs and a host of other tasks. Backlight LCD screen: auto shut-off to extend the battery life and features a low battery indicator. Handle and safe: keep your hands safe， measure temperature without surface contact. Basic working principle: All the temperature is higher than a professional hand-held non-contact measuring instrument, which is simple to use, rigorous in design, high in measurement accuracy and wide in measuring range. With backlight LCD display, overtemperature alarm, adjustable emissivity and automatic shutdown function, the temperature of the object can be accurately measured only by pointing the detection window at the object. Specifications： Material: Plastic Temperature Measurement Range: -50-600°C Accuracy: ±1.5°C or ±1.5% Battery: 2 * no.7 batteries （Not include） Object Distance Ratio: 12:1 Launch: 0.95 preset Resolution: 0.1 °C / °F Response time: 500 milliseconds Wavelength response: 8-14μm Item size: 171 * 78 * 56mm/6.73 * 3.07 * 2.2in Item weight: 130g Package List： 1 * Temperature gun 1 * Instruction 1 * Temperature gun 1 * Instruction