Feature 1、[Thermostatically Controlled] 250W outdoor bird bath de icer thermostatically controlled keep the birdbath from freezing in winter. Low power and energy saving. Keep birds, poultry and other animals to drink water successfully in winter. 2、[Automatic Start stop Design] Built in thermostat sensor which will automatically start and off to ensure safety. Cut off temperature:41±5℃/91.4±41℉,Restart temperature:33±5℃/105.8±41℉. 3、[Water Resistant and Safe] Water resistant and rustproof shell to ensure long lasting use. Built in heating cord with insulated protective casing, not easy to age and no leakage. No harm to birds and other animals. 4、[Easy to Use] Bird bath Deicer made of die cast aluminum with paint surface. Highly heat conductive. The pond deicer just simply plug into a power source and your birds or farm animals will enjoy the gentle water heater. It will automatically working without any setting. 5、[Widely Application] This water heater can provide fresh flowing warm water outdoors in winter. Suitable for pond, garden, yard, farm bird, poultry and farm and wild animals. Main Material: Aluminum Color: Black Current: 1.66A Power: 250W Cut off temperature: 41±5℃/91.4±41℉ Restart temperature: 33±5℃/105.8±41℉ Cable length: 1m/3.3ft Size: 140 x 60mm / 5.5 x 2.4in Package List 1 * Pond Deicer 1 * Power adapter 1 * Manual