Features: Keep your pigeons hydrated all winter with this heated waterer featuring rapid heating technology and antifreeze protections, ensuring warm drinking water even in cold temperatures. Crafted from flame retardant metal plastic composite, this drinker heating device boasts waterproof construction and automatic temperature regulation for year round safety in aviaries. Ideal for backyard breeders and commercial aviary operators maintaining doves, chickens, or ducks in cold climates where water sources frequently freeze. Effortlessly prevents ice formation in outdoor coops and poultry farms during harsh winters while conserving energy through optimized thermal retention. This versatile livestock solution combines energy efficient operations with compatibility for standard drinking containers, making winter hydrations management simpler for various small poultry species. Specifications: Component: Metal, Plastic Product Size: Approx. small size diameter 19.5cm/7.68inch, large size diameter 25cm/9.84inch Type: 01/02/03/04 Standard Small Size Suitable for Kettles: 4L-10L Applicable Areas: -10℃ area Standard Large Size Suitable for Kettles: 12L Applicable Areas: -10℃ area Package Includes: 1PC Poultry Drinker Heater note: Please allow 0-1cm error due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color the item