Description: An amazing handheld LED shower spray head Offers you delightful bath and wonderful experience No batteries or external power supply is needed Temperature sensitive and automatic controlled LED shower head When water flows down, LED lights will light instantly LED color changes automatically when water temperature changes The colors of the LED lights prompt you the temperature of the water A very practical and stylish LED shower spray head for your bath room Specification: LED Emitting Color: Greenm, Blue, Red Water Temp. at below 31deg C: LED lights green Water Temp. at between 32 to 43 deg C: LED lights blue Water Temp. at between 44 to 50 deg C: LED lights red Water Temp. at above 51 deg C: LED lights flash in red to avoid scalding LED Number: 4 LEDs Shower Head Outer Diameter: Approx. 1.22 inch / 31mm Shower Head Length: Approx. 2.36inch / 60mm Total Length: Approx. 8.86inch / 225mm External thread diameter: Approx. 0.78inch / 20mm Thread Inner Diameter: Approx.0.55 inch / 1.4 cm Material: ABS plastic Color: Silver, White Package Includes: 1 x LED Shower Head