Feature: - 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.(20~29°C :blue, 30~39°C :green, above 40°C :red.)   Specification: Brand: Bakeey Shell Color: Silver Material: ABS + Plating Color(In the case of water temperature): Blue (20 ~ 29 ℃); Green (30-39 ℃); Red (≥ 40 ℃)Type: Flower Sprinkler Installation Form: Thread Working 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