Three Colors Temperature Sensor LED Shower Spray Head that is an amazing LED shower spray head is made for bathroom. This LED shower spray head needs no battery or external power supply and is temperature sensitive and automatic controlled. It is a very practical and stylish LED for your bath room. Description: This little device fits on most tapsOffers you delightful bath and wonderful experienceNo batteries or external power supply is neededTemperature sensitive and automatic controlled LED When water flows down, LED lights will light instantlyLED color changes automatically when water temperature changesThe colors of the LED lights prompt you the temperature of the waterA very practical and stylish LED shower spray head for your bath room Specification: LED Emitting Color: Blue,pink and redWater Temp. at below 32deg C: Blue LED lightWater Temp. at between 32 to 38 deg C: Pink LED lightWater Temp. at between 39 to 45 deg C: Red LED lightWater Temp. at above 45 deg C: LED lights flash in RED to avoid scalding Size(L x W x H): Approx. 7.67 inch x 7.67 inch x 0.78 inch / 19.5 cm x 19.5 cm x 2.0 cmBack Handle Length: Approx. 2.55inch / 6.5 cmExternal thread diameter: Approx. 0.78inch / 2.0 cmLED quantity: 8 LEDsMaterial: ABSWeight:Approx. 450 gColor: Silver Package Includes: 1 x LED Shower Spray Head