Tippitoes Bath Thermometer Specification.. In an award winning design comes the Tippitoes Bath Thermometer. With a tough construction and in bright and stimulating colours, the Starfish shaped thermometer is made from durable plastic which is waterproof and floats in the bath.  Once immersed in water the unit will read the temperature of the water and the LCD display has a fast response time with visual temperature alerts, auto power save also saves the batteries. Battery is included and is replaceable with a DC3V (lithium button cell battery)