Safety Do not require electricity and batteries, no external power, just install the switch and turn on the water. It will light up after the water flows. Interesting Design 7 color that changes light automatically. To offer an interesting shower experience. Your children will love it. Attention: the color changes automatically, it is not based on the temperature. Save Energy and Water Save 30% more water than a typical shower head without sacrificing water pressure. And you can turn off the light in the bathroom with the LED light, plus energy savings. Durable ABS plastic is environmentally friendly and safe for your skin. easy installation, excellent corrosion resistance, very durable. Standard Size Easy to install, can accommodate all standard connectors. With the filter function, improve the quality of bathing water.