[3 Color Changing LED] This illuminated hand shower head offers you a delicious and fantastic shower by transforming the water jet into a beautiful color cascade. [Easy to install] Connects to any standard shower arm in minutes with no additional tools required. [Water Temperature Display] Digital temperature display, can have a real-time water temperature command. [No batteries needed, no cable needed] Color changing LED works with running water, no batteries needed. [Water Temperature Sensor] The shower head features a color of LED lights that automatically changes depending on the water temperature. (0~29: Blue; 30~41: Green;>41: Red), Manufacturer: Tnfeeon