K&H Pet Products Thermo-Kitty Heated Cat Bed Soft foam walls cuddle your cat in comfort; available in 2 colors and sizes 4-watt, MET listed, dual thermostat heats to 102 degrees F when pet is present Stays 12 to 15 degrees above room temperature when pet is not in bed Recommended for year-round indoor use; plugs in to any household outlet Measures 16 by 16 by 6 inches; limited 1-year warranty