High quality no sharp angle water resistant Floating design quite safe for your baby to play not only a child thermometer for measuring water temperature but also a lovely blue bear toy for your baby to play when he/she is having a bath Perfect for setting up bath water with a temperature that's safe for your family center display area changes color to reflect current water temperature is safe only when a colored number appears on the strip quickly and accurate response in seconds LCD display for easy to read Water activated it turns itself off when taken out of the water Not only a thermometer for measuring water temperature but also a toy for your baby to play when he/she wants to have a bath The range of the measurement: 34'C ~ 44'C Quick and accurate response in seconds Large Display easy to read Auto power off after 30 minutes No sharp angle design for safety 100% water resistant Floating waterproof design No changeable battery use for 5 years (one hour per day)