Aprince Handheld LED Shower Head w/ Temperature Sensor Sensitive - 3 LED Light Color Changing - Safety Flexible Shower Changes Color when Water is Too Hot or Cold - Adjustable (Shower Head J) Design specifically for shower head, Easy to Install, LED lights are powered by running water temperature, no batteries ever needed Connector size: 2 CM. Item size: shower nozzle 10.3 CM,total length 26 CM,thickness 3.8 CM. 3-color-changing Water Temperature Sensor, by using 3 color only, is more detectable and more identifiable to use since those color will let know from warm to hotter. Durable and Non-Fade: The showerhead is made from ABS material with electroplated finish. The unique design with the water temperature color changing device bring a dreamlike world to you with mixing light and water. Bright color with multi-layers plating,comfortable grip,for you to have a newbathing experience, feel the high quality of home life, and the last part that exciting is more fun when taking a shower using this kind of shower head.