Simply shake the thermometer and drop it in the bath and in 5 seconds it will give you an accurate reading in degrees Celsius.
 It rechecks the temperature every 5 seconds.
 Clear, easy-to-see LCD screen
 Red warning light for hot water
 Hot and cold water indicators
 Specifications:
 - Length: 9.0 cm, Width: 9.5 cm, Height: 3.5 cm