/ button makes Celsius/Fahrenheit switchable; HOLD button keeps the teperature reading until it is pressed again; ON/OFF is the power switch function and it will automatically power-off in 10 minutes after use to extend battery life.This Meat Thermometer Ranges-58 ~ +572(-50C ~ 300C) ; It can be used in many types of liquids, food, makes the temperature measurement so simple.Food Thermometer has 5.7inch food stainless steel probe; No more worrying about getting too to the hot food or surface, avoid scalding This Meat Thermometer equips LCD display that brings you clear vision. The temperature is highly to 1.Perfect for indoor/ outdoor cooking, baking, grilling, BBQ, turkey, chicken, roast, hot milk, etccolor:Photo colorMaterial:plastic+stainless steelPackage Contents:2 x Meat ThermometerOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.