Simply aim the laser and press the trigger to measure your cooking surface temperature. Measures temperature without contact. Laser pointer for accurate aim. Accurate up to 5 feet away. Great for both outdoor grilling and indoor cooking. Hundreds of other practical uses. This thermometer is great for outdoor grilling or inside cooking. The accurate laser pointer measure temperature without contact. The large, bright LCD screen displays instant readings in Fahrenheit or Celsius. It measures temperatures anywhere from -58 degrees Fahrenheit to 1022 degrees Fahrenheit from up to 5 feet away.