LED Light LCD Display Third Gear Water Flow Self Illumination Temperature Control Shower HeadFeature:- LED Light 3-Color Conversion.-Easy to Install.- Offer you a delight bath a wonderful experience.- No need batteries and wires: LED Color changing light is powered by tap water without batteries.- water temperature sensor: shower head feature LED The color lamp changes automatically according to the water temperature.(20~29C :blue, 30~39C :green, above 40C :red.) Specification:Brand: BakeeyShell Color: SilverMaterial: ABS + PlatingColor(In the case of water temperature): Blue (20 ~ 29 ); Green (30-39 ); Red ( 40 )Type: Flower SprinklerInstallation Form: ThreadWorking Temperature: 0-100 LED LightSource Power Source: hydropower (without additional batteries)Size: About 27.6*13.7*1.9cm/10.08*5.51*0.74in Package includes:1 x 3 Color LED Shower Head