Feature: 1. When it is not in the water, the thermometer is not activated and can be used as a clock, which is very convenient. 2. It is activated immediately after being placed in the water, measures the water temperature and automatically starts timing. 3. ABS/PVC environmentally friendly materials and PMMA materials, do not contain BPA, not easily danaged, sturdy and durable. 4. High and low temperature alarm, when the water temperature changes, the LED background color is automatically switched, and it will flash and beep when the water is too hot or too cold. 5. The thermometer can display both Fahrenheit and Celsius. Press in the time mode to switch between Celsius and Fahrenheit using ''+'' and ''‑'' at the same time. Specification: Condition: 100% Brand New Item Type: Water Thermometer Material: PVC + ABS + PMMA Weight: Approx. 118g/4.2oz Product Size: Approx. 11 x 8cm/4.3 x 3.2in Temperature Measurement Range: 0-60℃ Timer: Maximum time is 59 minutes and 59 seconds (counting in a positive way, depending on the length of the bath. The countdown timer has an audible alarm to prevent the bathing time from being too long) High Temperature Prompt Range: higher than 39℃, there will be a prompt (can be adjusted between 37℃-46℃, the default is 39℃) Low Temperature Warning Range: Below 35℃, there will be a warning Battery Information: 2 x LR44 Button Battery (Battery Not Included). Package List: 1 X Thermometer (Battery Not Included)1 x English Instructions Note: There is sealing ring at the bottom of the product where the battery is installed, which is waterproof. Please be careful when disassembling the battery and don't remove it, otherwise the product will not be waterproof.