【Double Probe】Free Extra Oven Probe. DotStone food thermometer is equipped with a 4.3-inch folding internal probe and an additional 3.9 ft external probe, giving you two measurement options to meet your all kinds of needs. 【Temperature Alarm】Set alarm temperature and insert the probe to your food, the built-in bummer will alarm when the set temperature is reached. No need to insert probe to your food over and over again. 【Easy To Use】The DotStone digital thermometer can clearly show temperature reading in the dark, press the button and LCD SCREEN will lit for 5s, you can enjoy the deliciousness at night. Thermometer can be easily stored by the strong BUILT-IN MAGNET and large HANG HOLE. 【Fast & Accurate】 Instant reading thermometer can read out in 4-6s with wide measurement range -58℉~572℉(-50℃ ~ 300℃), accurate to -1/+1℃ in range -50℃ ~ 150℃(-58℉ ~ 302℉), -2/+2℃ higher than 150℃/302℉. Cook your delicious food without worrying about undercook or overcook. 【18-Month Guarantee】Grill thermometer made by 304 Sanitary Stainless Steel probe and eco-friendly ABS plastic body, ensure quality and safety. And we offer 18-month worry-free guarantee for this meat grill thermometer.