The Taylor Pro Waterproof Instant Read Thermometer features an easy-to-read LCD readout, an on/off button and auto shut off function to conserve battery life, and one-second updates. The temperature range is from -40 degrees F to 450 degrees F, with a thinner probe that makes a smaller puncture in food. Made of stainless steel with a 5" stem. Recalibratable to comply with HACCP requirements.1.5 volt battery included. NSF listed.