Twist in the Tub. Samba in the Sink. Party in the Pool. This waterproof LED Disco Light turns bath time into party time! Diamond shaped disco light Includes 3 AG3 'button' batteries Waterproof for the bath or swimming pool Start the party by pushing the button on the bottom of the device to activate get ready to boogie! Plus, it's easily transportable so could even be used outside in a pool.