Comark RAYMTFSU (Mini Temp Food Service) Infrared Thermometer with Laser Sighting is fast responding and easy to use. Simply squeeze the trigger and an instant reading based on infra red emissions appears. With a temperature range of -25 to 400F/-30 to 200C, an accuracy of ±2F/1C and a spot to distance ration of 4:1, the RAYMTFSU is the perfect IR Thermometer to check ovens, refrigerators, walk in coolers or pallets of incoming product. It can also be used in industrial and home applications to check lighting, electrical panels or energy loss around windows or doors.