Tap & Go Simply tap the baby bath thermometer on a hard surface and it will begin taking accurate readings in under 1 second It can used as a baby thermometer for bathtub or as a room thermometer. The intelligent auto-off function conserves battery life. This baby thermometer can measure the bath water temperature for baby, also the room temperature. Bath Time Fun This baby thermometer is a cute, fun floating baby bath toy. It is the ideal size for your child to hold and interact with. Speedy and Accurate Our bathtub thermometer provides rapid, accurate and reliable temperature readings that you can trust. If the temperature is too hot (over 102.2), a red light displays and warning alarm sounds.