Temperature range: -50 - 380 degree Celsius, High measuring accuracy, Accuracy: +/-1.5% or +/-1.5 degree Celsius, Distance Spot Ratio: 12:1 , Emissivity: 0.95 (fixed), Response Time: Optional Laser Target Pointer and Backlight On/Off, convenient to accurate targeting and operate in case of poor illumination, ?/? button - switching the displayed temperature from Celsius degree to Fahrenheit degree as you need. Powered by 2 x AAA batteries (Not Included),Auto Power Shut Off in 7 seconds without any operation , Low electricity consumption. Extremely Handy, Consistent & Versatile for Instant Temp Readings in Work or Home Applications. You just need to aim at the target to measure the current temperature. Keep Your Hands Safe w/ This Amazingly Fast & Safe Way to Measure Temps Without Surface Contact. Suitable for the temperature measuring and monitoring of hot water pipes, hot engine parts, cooking surfaces, hot tubes insulation, wine coolers hot asphalt, swimming pools, air conditioning refrigeration and heating. Specification: Temperature range: -50 - 380 degree Celsius Accuracy: +/-1.5 degree Celsius/+/-1.5? Resolution: 0.1 degree Celsius Repeatability: 1? of reading or 1 degree Celsius Response time: 500 m Sec,95? response Spectral response: 8-14um Emissivity: 0.95 Pre-set Distance to Spot size: 12:1 Operating temperature: 0 - 40 degree Celsius Operating Humidity: 10-90?RH non-condensing, up to 30 degree Celsius Storage temperature: -20 - 60 degree Celsius Power: 2x1.5 AAA battery Warm Prompt: - Please don't point laser directly at eye or indirectly off reflective surfaces, don't use it in the environment of explosive gas, steam or dusty, avoid causing harm or damage to human body. - Don't leave the unit on or near objects of high temperature to avoid the damage of the unit or target. What's in the box 1x Digital Thermometer 2x AAA Batteries