Sprite Science Lawn LED Sprinkler The Water And Light Fountain Show (Pack of 1) Water & Light Show-Just One Sprinkler from Sprite Science, you will get a lot of fun in the summertime. Easy To Install-Connect the adapter and sprinkler to the water tap, turn on the tap, and it works. No power supply, the Water And Light Showneeds no electricity and no batteries, its Environmental, the hydraulic pressure will run this LED sprinkler. Spraying radius: Max 6m ( higher water presure, and bigger radius) Perfect for your backyard, lawn, garden ,etc.