Fast shipping + Free tracking number Luxury Dream Colorful Style Shower Heads , NO need battery, Water Flow Power Temperature Sensor 3 Color Changing LED Light Rainfall Shower Head, Green / Blue / Red Water transitions with multi colors from Green to Blue to Red and flashing Red as the temperature increases. Adds ambiance to every bathroom. . Easy to install. Electro magnetic turbine powers unit and never needs batteries Dimension: 4.06" x 3.94" x 4.06"/10.3 x 10 x 10.3cm(L x W x H) . Weight: 7.9oz/224g Light Color: Green / Blue / Red (Temperature detectable) . Color: Silver