The SainSonic SS5650 Thermometer Gun does everything from verifying the temperature in your AC system in the car or home to help electricians find an overcharge in electrical systems. Advances in optics make this technology more accurate and cost-effective. Automotive, HVAC, electrical, industrial or home - this versatile tool can perform anywhere. Attributes & Specifications * Temperature Range: -50C to 650C (-58F to 1202F) * Accuracy: ±2C * Distance To Measurement Spot Ratio: 12:1 * Unit of Measurement: Celcius or Fahrenheit * Display: Easy to read large LCD display * Battery Details: 9V battery * Safety Warning: Be sure to check battery power level before each use. Application Instantly measure temperatures from a distance without contact. Ideal tool for measuring temperatures in hard to reach or dangerous to access places. Please Visit Sain Store for more thermometers in different measuring range. For further assistance, please feel free to contact our customer service. We would be more than happy to assist you.