LED glows when water flows: When water flows down, the LED will light instantly & automatically, no batteries or wire needed 7 colors changing: The light color will change among 7 different colors gradually & automatically when water flows down. Battery: Not required
Material: ABS
Colour: As shown in the picture Connection Diameter: inner-thread 22mm
Size: 42 x 28 x 25mm / 1.638 x 1.092 x 0.975inch Net Weight: 21g / 0.735oz Note: Fits most standard taps