Features:

Water activated: lights up automatically when putting in water
Touch control: also can light it up by touching the base
Lighting effect: auto color changing, flashing beatifully
Energy saving: auto off when out of water for 20 seconds
Size: 2.25 X 2.25 X 2" / 6 X 6 X 5 cm
Duck color: Random

Power supply: 3x AG10 Button Battery 

Package included:
6 x Bath Duck Toy