Features:100% Brand New.Weight: 171gSize: 22cm x 8cm x 5cmNo battery is needed;LED Emitting Color: 3 colors gradually changedBrightness is such enough even no other lighting fixtures need. The LED color will change gradually and automatically ;This item will change its color by detecting water temperatureWhen water flows down， the LED will light instantly and automatically(1)When water temperature is lower 32 centigrade， Green color will show automatically(2)When water temperature is between 33 ~41 centigrade， Blue color will show automatically(3)When water temperature is between 42~45 centigrade， Red color will show automatically(4)When water temperature is above 46 centigrade， Red color will flash immediately Package Content:1 x Temperature 3 Colors LED Light Bathroom Shower Head