High quality material: The thermometer is made of BPA-free one-piece soft plastic, with built-in sealed battery, IPX7 waterproof rating, and has been strictly tested and inspected before leaving the factory. Note: Our bathtub thermometer has no playable functions, please let children use the thermometer accompanied by their parents to avoid unnecessary injury. Easy to use: Touch the black screen, the screen will start working after 'it turns on, displaying temperature, it will automatically turn off after 6 seconds on, if you need to display temperature again, just touch the screen again. If the temperature is too high, its red LED warning light will light up as a warning. Multi-use: Its stable design means that unlike other designs, it is less likely to overturn and harm interpret temperature while floating, providing accurate and reliable water temperature in seconds. The thermometer can be easily used to measure the bath or the temperature of the child's room. Portable design: Our baby bath thermometer is small and light, and the portable design allows you to take it anywhere you go. Our bath thermometer has the appearance of a whale, which can attract the child's eyes so that he does not refuse to take a bath.