This chicken brooder heating umbrella is a practical product for keeping your poultry warm. It's suitable for use in cold winters, providing a warm environment for up to 50 newly - hatched chicks or ducklings. With an AC110V-80W power supply, the heating pad can reach a temperature range from 32℉ to 176℉ (0℃-80℃). You can adjust the temperature according to the indoor or outdoor conditions. It also has a diameter of 21.65 inches, and it's not only for chicks and ducklings but can also be used for other pets like cats, dogs, and rabbits. There is a transparent observation window on the side, allowing you to easily monitor the chicks. Moreover, the heating pad is attached to the top of the umbrella, not prone to getting dirty. Made of waterproof material, it's easy to clean and can be folded up when not in use. Size: large.