Specifications:Case material: ABS electronickelling LED emitting color: Blue，green， redItem size: 30*54mm (outer diameter*height)Item weight: 42g Direction for use:Firstly， open the packaging and take out the faucet light.Secondly， take off filter net from your tap by spanner or other appropriate tools.Thirdly， install the device onto your tap directly. Package including:1 * LED light faucet