This unique heated bird bath has a 75W thermostatically controlled heater built into the unit which works automatically to keep water from freezing during the winter. It's tested to 10 deg. F. (-23 deg. C.). It features a versatile mounting system with 3 different mounting options: Deck, clamp, or ground. The unit can be used all year round as the cord tucks neatly away unnoticed during the warm weather months. It's easy-to-clean. Features a powder-coated finish. Costs only pennies a day to operate. Holds 1 quart of water; shallow design that birds will love. Terra Cotta/Black. 1 year warranty.