An infrared thermometer is an essential tool for every technician. This one has a wide measurement range from -22 to +626°Fahrenheit (-30 to +330° Celsius) and allows you to switch from F to C and back. Allows temperature measurements of many applications. Distance-to-spot ratio of 12:1, allows accurate temperature readings at a distance. Features Auto shut-off to help optimize battery life, but maximum temperature is always shown.