"Temperature measurement is essential when assuring proper food storage, cooking, and serving environments. Quick checks with a non-contact thermometer can remove the hazard of cross-contamination and reduce the time a traditional probe requires.TempTestr IR Food Thermometer provides safe, non-contact readings in 1⁄2 second. It has a compact design for easy one-handed operation. Other features include a laser sighting to pinpoint your exact target, selectable degF\/degC display, steam interference filter, and a hold function that freezes display for 7 seconds after button release. Accuracy of ±2degF (±1degC) over the HACCP critical temperature range of 40 to 140degF (4 to 60 degC)."