NBT1004 Features: * Water temperature is below 113"f lights glow blue * Water temperature is between 114"f - 121"f lights glow red * Water temperature is over 122"f lights flash red * Replace your old shower head with this exciting new product * Universal so it will fit any standard shower head by simply unscrewing the old one by hand and attaching the new one * Shower arm is not included * Head can be used with either wall or ceiling mounted arm * Modern stylish design * Completely polished chrome made to match or stand out from your other bathroom fixtures * High quality * Made out of brass, not plastic, so it"s made to last, not just to look good * Wall or ceiling * High tech rain shower head powers the LED lights using a built in hidden dynamo * Lights will automatically turn on when water pressure is turned on Color/Finish: * Auto temperature detected light color change * The shower head will automatically change colors according to the temperature of the water Dimensions: * Dimensions: 0.33"" H x 12"" W x 12"" D Warranty: * 1 Year warranty