Features:● Ideal shower head for whole family， providing you an exceptional shower experience.● 8 inches square rain shower (20cm x 20cm) with built-in 12 LED emitters.● 3 LED color changes according to water temperature. Green : Below 32 Degree Centigrade. Blue: 33 - 41 Degree Centigrade. Red: 42 - 45 Degree Centigrade. Red flicker: Over 46 Degree Centigrade， protect you from skin burns by hot water.● LED light is activated when the faucet senses water flow.● Visually displays current water temperature.● No battery needed.● Installation type: Wall mounted.● Connection standard: G1/2 (inside screw: 20mm).● Material: ABS with electroplating finish.Note:1. The shower head is sold without shower arm.2. This shower head is powered by water flow， therefore， the water pressure should be more than 0.15MPa. Function: Shower Faucet Feature: LED Style: Contemporary Finish: Electroplating Shower Head: Rainfall Showerhead Material: A Grade ABS Plastic Showerhead Dimension: 8 inches LED Power Source: Water Flow LED Color: 3 Colors(Red LED begins flashing between : Over 46 Degree Centigrade LED turns Green between: Below 32 Degree Centigrade LED turns Blue between: 33 - 41 Degree Centigrade LED turns Red between: 42 - 45 Degree Centigrade Package weight: 0.802 kg Product size (L x W x H) : 20 x 20 x 7.5 cm / 7.86 x 7.86 x 2.95 inches Package size (L x W x H) : 22 x 21 x 9.5 cm / 8.65 x 8.25 x 3.73 inches Package Contents: 1 x 8-inch Square LED Rain Shower