[Product Name]: LED luminous negative ion water purification shower [Lighting color] :: Three-color temperature control (green, blue and red) [Main material]: PC polycarbonate (fall resistant) [Surface treatment]: electroplating [Xiwaixue Se]: Illustration by Runan Pinfu/Jie Ding [Water outlet mode]: Single water outlet (LED light) [Threaded interface]: Universal type of interface to 4 points [Number of lamp beads]: 12 [Shower specifications]: Total length 220mm, diameter 65mm Notice: This shower head is fully flow driven water to drive the motor to generate electricity to make the LED bright. If the water pressure in your home is very low, it is recommended not to purchase this shower head, because the water pressure The water is too small to start the generator to produce electricity. It will not light up. LED light color: Three color temperature control: change color with changing water temperature, cold water, hot water and warm water respectively display different colors. When the water temperature is 31 degrees or less, it will automatically display green. < p>When the water temperature is between 32 and 43 degrees, it appears blue When the water temperature is 44 to 50 degrees, it appears red.< /p>