The AccuTech pyrometer from Longacre is an infrared laser pyrometer with laser sighting for accuracy. It offers instant response, giving non-contact temperature readings (ideal for engines, track temperatures etc) and is switchable between Celsius and Fahrenheit. Its temperature range is -4 to 518 degrees Fahrenheit or -20 to 270 degrees Celsius. It has a back light, enabling it to be used for night use or in dark conditions, and also features a 7 second auto shut off.