Designed%20and%20based%20on%20years%20of%20research.Prevents%20the%20hummingbird’s%20food%20from%20freezing.Tested%20to%201%C2%B0%20Degree%20Fahrenheit.6%20ft%20long%2C%202%20prong%20AC%20electrical%20cord.Heated%20by%20a%207%20watt%20bulb.Costs%20less%20than%20%2410%20a%20year%20to%20operate.Hummingbird%20Feeder%20and%20Heater%20in%20a%20single%20unit.Wide-mouth%20reservoir%20and%20patented%20two-part%20base.Easy%20to%20fill%20and%20clean.Durable%20polymer%20plastic%20made%20for%20outdoors.10%20yellow%20flower%20feeding%20ports.32%20ounce%20nectar%20capacity.Built%20in%20ant%20moat%2C%20s-hook%2C%20and%20round%20perch%20design.Innovative%20sealing%20ring%20aids%20in%20leak%20prevention.Red%20base%20attracts%20inquisitive%20hummingbirds.All%20parts%20may%20be%20washed%20in%20warm%20soapy%20water.Proudly%20made%20in%20the%20USA.