Before baby's bathtime, use the Moby bath thermometer with colour changing LED, to indicate hot, cold or "just the right temperature" for your little one. When not in use, suction to any tiled surface for easy storage and safe-keeping- Colour 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 - Replaceable battery included: lasts for over six months on average - BPA-free, Phtha