70W Bird Bath Heater

Built in a smart thermostat sensor and featured with 70W power, our bird bath heater keeps water warm at 77-78.8?for birds to drink and bathe in, essential for their health and survival. The hollow deign maximizes the heating surface area and offers superior heat distribution. Automatically activate to warm the water when the temperature drops below 68? and cease heating when it reaches 118?. Waterproof, ideal for outdoors. Not only friendly to birds, but also to chickens, squirrels, rabbits, cows, horses, deer, cats, dogs etc.. Plug and play, give them a warm welcome in this freezing cold winter!