UNICOOK Digital Grill Thermometer, Instant Read Meat Thermometer, BBQ Cooking Thermometer, Perfect for Barbecue, Grill, Camping, Smoker and Kitchen use The cooking thermometer will instantly display precise temperature readings for foods and liquids in a few seconds. Powered by a button cell (included, battery type LR44/AG13, 1.5V). Simple 3 buttons: ON/OFF switch, / F mode button and HOLD button locks the current measured temperature. Temperature measurement ranges from -50(-58F) to +125(257F), perfect for outdoor grilling and other cooking purposes. Protecting the probe and make it portable for anywhere use and handy storage. The thermometer could be extended to 13 in length when connect the removable cover at the top end, long enough to reach the innermost area and makes your hands far away from the heat Made of food standard material-304 stainless steel, no rust and safe for any kind of foods. The 4.75 longer probe will reach to the inside of the thicker meat, far away from burning danger. Thinner tip of probe contribute to faster heat transfer rate. The battery lifetime is up to a whole year as 45-minute automatic shutoff feature is designed for power save and prolong life.