1 - Note: Use US standard plug, please make sure you can use it properly. 2 - 70W Saving Energy & Safe Use Heater - 70W the outdoor chicken water heater thermostatically controlled keep the birdbath/chicken from freezing in winter. Low power can ensure safe use and save electricity. With thermostatically controlled design, Our Birdbath heater operates only when necessary to automatically prevent water from freezing and does not heat the water. 3 - Special Design - The upgraded version of the heated bird baths for outdoors adopts superb quality high-density aluminum alloy paint, which has the characteristics of anti-rust, anti-paint fall, anti-calcification, and easy cleaning. PVC electric cord for ultimate efficiency and safety. 4 - Easy to Use - Simply place the heated bird bath in the center of the bird bath or water buckets, make sure the birdbath de-icer is fully covered and plug the 5FT wire into a power source, it will start to work. 5 - Waterproof and Corrosion-Resistant Materials - IP67 waterproof level, bird bath de-icer adopt full coverage heavy duty cast aluminum shell, ensures highly heat conductive, durable and rust-free usage, more safe to use for animals. 6 - Widely Application for Outdoors - Whether the bucket is plastic or metal, this bucket heater de-icer can adapt effortlessly. This de-icer suits Chicken Waterer Cups | Chicken Water Feeder,buckets, tubs, automatic waterers, and birdbaths.