The original unique design isn't the only reason the Super Ice Eliminator Bird Bath Deicer is a best seller. The solid aluminum housing keeps the unit from falling out of the bird bath and the attractive rock-like design blends naturally with any bird bath. Spray paint any color to match any bird bath. Will not calcify, rust, or leave stains. Won't burn or melt plastic bird baths. 80 watts for even the largest of bird baths. MET listed. Three year limited warranty.