Waterproof plastic with water LED light display with 7 different light patterns. Simple on/off function: Press the button once to turn it on, hold it for three seconds to turn it off. li> Ideal for a relaxing evening or to celebrate. Battery: 4.5 V; 3-AAA batteries. (Not included) Display seven different light shows in your pool. Note: Do not drip into water for a long time when not in use Easy to use Easy On Off function (press the button once to turn on, hold it for three seconds) 7 Pattern of light patterns (by pressing the on/off button at the top of the Marine underlight pattern). Easy battery installation (Loosen the screw on the battery cover and replace 3 AAA batteries (not the supplied lip) and tighten the screw before use). A balancing cap is included to allow you to swim in your tub. li> Used in: party, living room, bathroom, bathtub, swimming pool, fountain, bar and so on Material: PP Weight: 200 g. Power source: Battery Battery: 3 AAA batteries (not