Frequently Asked Questions What is the function of bird bath water agitator? Circulate water to attract birds to your bird bath How is the water agitator powered? The bird bath water agitator is powered by 2 D batteries (not included) for more than 2 months of continuous use Can the water agitator be applied with the heated bird baths? Yes, Can be applied with heated bird baths in winter Is the birdbath water agitator silent? Yes, bird bath water circulator features an ultra-quiet operation to minimize noise Is the water agitator bird bath waterproof? Yes, water agitator bottom opening design prevents rainwater entry, enhanced by a waterproof gasket for better water protection What material is the bird bath water mover made of? Made from anti UV PP material with stainless steel support legs Specifications: Material: PP anti-UV material, stainless steel Power supply: Operates on 2 D cell batteries (not included) Battery life: more than 2 months Diameter: 4.92 inches Height: 5.12 inches Package includes: 1 x Bird Bath Agitator Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.