The Comark PDQ400 Comark Waterproof Digital Pocket Thermometer is compact and slim and has a thin probe tip for fast response. The 1.5mm probe is ideal when chefs check the temperature of thin foods like burgers. The PDQ400 Thermometer is waterproof so ideal for use in busy, steamy kitchens and can also be used to check commercial dishwasher cycles. There is also a handy data hold feature on this Pocket Digital Thermometer which enables the user to temporarily hold the digital reading on the screen while they note a measurement. Response in under 6 seconds, Extended range -4º to 400ºF / -20º to 200ºC, Auto power off, Field Calibratable, BioCote® anti-microbial protection. NSF