Before baby's bathtime, use our Moby bath thermometer to ensure the water isn't too hot or cold for your little one. When not in use, suction to any tiled surface for easy storage and safe-keeping. Features: Color changing LED, to indicate hot or - just right temperature Suction to tub or wall when not in use Tail acts as wash cloth hook when suctioned to wall Floats in water Available in either Fahrenheit and Celsius Replaceable battery included: lasts for over six months on average BPA-free, Phthalate-free Coordinates with Moby collection.