Feature: 1. Chicken Water Heater for Winter: Chicken water heater 65W keeps water from freezing in winter,and keeps water liquid at all times,convenient for poultry drinking water at cold weather. 2. Automatic Thermostat Control: Heated poultry waterer automatically keeps constant temperature when approaching 59F (15C).Do not get too hot and do not boil the water out quickly enough to be dangerous. 3. High-quality Cord: The power cord is made of cold and heat resistant material, bite-proof to ensure the safety of use, 5.5ft(USplug)/7.3ft(EUplug) cord length allows you to no longer be limited by the socket. 4. Premium Material: Heated chicken waterer made of stainless steel,12in and 15in in diameter for optional, sturdy and durable, suitable for use with metal and plastic poultry fountain. 5. Widely Applicable: Chicken coop heater for winter is suitable for plastic and metal fountain,chicken coops, chicken cages, chicken pens and for birds and other poultry. Specification: Features: Chicken Water Heater for Winter: Chicken water heater 65W keeps water from freezing in winter,and keeps water liquid at all times,convenient for poultry drinking water at cold weather. Automatic Thermostat Control: Heated poultry waterer automatically keeps constant temperature when approaching 59F (15C).Do not get too hot and do not boil the water out quickly enough to be dangerous. High-quality Cord: The power cord is made of cold and heat resistant material, bite-proof to ensure the safety of use, 5.5ft(USplug)/7.3ft(EUplug) cord length allows you to no longer be limited by the socket. Premium Material: Heated chicken waterer made of stainless steel,12in and 15in in diameter for optional, sturdy and durable, suitable for use with metal and plastic poultry fountain. Widely Applicable: Chicken coop heater for winter is suitable for plastic and metal fountain,chicken coops, chicken cages, chicken pens and for birds and other poultry. Specifications: Material: Stainless Steel Power: 65W Diameter: 300mm/12in , 380mm/15in (optional) Plug: USplug / EUplug (optional) Cord Length: 1700mm/67in(USplug) , 2250mm/88in(EUplug) Package Size: 300mm: 305 * 305 * 55mm / 12 * 12 * 2.1in 380mm: 385 * 385 * 60mm / 15 * 15 * 2.3in Package Weight: 300mm: 655g / 23oz 380mm: 1020g / 36oz Packing List: 1 * Chicken water heater Package List: 1 * Chicken water heater