Yacumama, pioneer of better family life. Waterproof Cooking Thermometer enables you to keep your thermometer always clean. Easy to maintain, rigid to use! Product Spec: Measurement range: -58°F ~ +572°F (-50°C ~ +300°C) Accuracy: ±1°C / ±1.8°F Power-saving mode: Auto power off within 10 minutes Power Supply: 1pcs 1.5V(LR44) Battery Waterproof level: IPX7, ok to rinse or wash under running water. Do NOT immerse into hot water or dish washer. Key Features: 1. ON/OFF Button: Turn on/off the device. 2. °C / °F Button: Unit could be switched anytime at your preference. 3. HOLD key: Press hold to lock temperature before reading, it is easier and safer for operation. Press it again to return to measurement. This is an instant read thermometer and spot check the temperature. It is not intended to be kept in the food during the entire cooking time. If you ever have broken a cooking thermometer by washing accidentally after using, it is time to try our WATERPROOF thermometer NOW! You won‘t be regretted.