Features:

No batteries and external power supply, it will illuminate after water flows down. The LED color changes according to the water temperature. Transforming the stream of water into a beautiful waterfall of light. Brightness is such enough even no other lighting fixtures need. Fits all standard connectors, easy to install. Offer you a delight bath & a wonderful experience. Ideal for bathroom, to make it more fantastic. ABS and plating (chrome plated) material, excellent corrosion resistance, durable.

LED color automatically changes according to water temperature:

Water glows red when water is hot (42°C - 45°C). Water glows blue when water is warm (33°C - 41°C). Water glows green when water is cold (32°C). When the water temperature is higher than 45°C, the Red light will start flashing, which means that the water is too hot and please be careful.

Specifications:

Case material: ABS + plating (chrome plated); LED emitting color: Green, blue, red; Diameter of inlet tube: 2cm (internal screw thread)