LED Shower Head Temperature 3 Color Changing Square ABS Finish 12 Leds For The Bathroom Features: 3 Colors Temperature Sensor: BLUE- Cool under 88F (31℃), Purple- Warm 89-100F (32-38℃), RED - Hot 102-113F (39-45℃), FLASHING RED - Warning Hot over 113F (45℃) No Batteries and other power needed: this LED lights are powered by running water, energy saving and environmental protection. Pls kindly noted that the greater the water pressure, the greater friction, that means there will produce some voice, but pls don't worry about it, it will not cause any dangerous. Easy to install: suits for 2 gpm/1 gprm, connects in minutes to any standard overhead shower arm, no tools required ABS chroming material: excellent , and the light doesn't fade, lasting as new! to use: this top pass CE / RoHS / / PAH, and the LED lights have long life up to 6000 hours Product Description: Including: a shower ABS chroming material: excellent , and the light doesn't fade, lasting as new! 3 Colors Temperature Sensor: BLUE- Cool under 88F (31℃), Purple- Warm 89-100F (32-38℃), RED - Hot 102-113F (39-45℃), FLASHING RED - Warning Hot over 113F (45℃) No Batteries and other power needed: this lights are powered by running water, energy saving and . Pls kindly noted that the greater the water pressure, the greater friction, that means there will produce some voice, but pls don't worry about it, it will not cause any dangerous. Easy to install: suits for 2 gpm/1 gprm, connects in minutes to any standard overhead shower arm, no tools required to use: this top pass CE / RoHS / / PAH, and the lights have long life up to 6000 hours