The Laserliner ThermoSpot One is a non-contact infrared device which is ideal for taking surface temperature measurements of all types of materials. It is ideal for pipes, radiators, liquids and hazardous areas such as moving machine parts or live electrical installations. The thermometer has a focusing laser for precise targeting and a hold function which displays the last temperature on the digital LED display. Measured values can be changed to either Centigrade or Fahrenheit. Supplied with 2 x AAA batteries. Temperature Range: -38 - 365°C.Accuracy ± 2.5%.