This is one kind of water lamp, using for decoration Insert 3*AA Batteries into the bottom with correct polanity as directed WATER LAMP1, This is one kind of water lamp, using for decoration2, Insert 3*AA Batteries into the bottom with correct polanity as directed3, There will have bubbles, the LED will be light-emitting under the bottom, beads will be swimming up and down.4, Input voltage:4.5V5, ...