Features. 1. The thermometer is not activated when it is not in the water and can be used as a clock, which is very convenient. 2. It activates immediately after being put in water, measures the water temperature and starts timing automatically. 3. Made of ABS/PVC environmental protection material and PMMA material, BPA free, not easy to break, strong and durable. 4. High and low temperature alarm, when the water temperature changes, the LED background color automatically switches, when the water temperature is too hot or too cold, it will flash and sound a beep. 5. Thermometer can display both Fahrenheit and Celsius. Press in time mode to switch between Celsius and Fahrenheit at the same time using ''+'' and ''''. Specification. Item type. Water thermometer Material. PVC + ABS + PMMA Product size 10.8x7.7x7.2cm Temperature measurement range. 0-60 Timer: Maximum time is 59 minutes and 59 seconds (in positive numbers, depending on the length of the bath. The countdown timer has an audible alarm to prevent the bath from taking too long) High temperature alert range: above 39, there will be an alert (can be adjusted between 37-46, default is 39) Low temperature warning range. Lower than 35, there will be a warning Packing list. 1 x thermometer (batteries not included)