This 30W chicken water heater with a PVC material and IPX7 waterproof rating comes with a poultry heated base suitable for most metal buckets. It can keep water warm in winter and prevent freezing. The built-in thermal protector provides safety while the 16.5cm diameter size is ideal for various small poultry. Please avoid putting the heated base into water and use it only with iron and galvanized waterers. Features: 1. 30W Heated Pad: Our chicken water heater works at 30W to save energy and electricity; Each poultry water heater comes with a power cord, is sturdy and firm, has a long service life, can be applied for a long time. 2. Poultry Heated Base: The chicken coop heater is safe, and the temperature of the heated base can change with the temperature outside, so remember to avoid water getting very hot. 3. Winter Water Heated Pad: This heated poultry water heater base can be widely applied in cold winter to provide your chickens with warm water, stop water from freezing, and allow poultry to drink hot water. 4. Heater Size: Our chicken waterer heater measures approximately 16.5cm in diameter, proper size makes it suitable for most metal buckets, and also ideal for your chicken, ducks, or other small poultry. 5. Warm Tips: Please don't put this heated base into the water, and our heated base is only suitable for iron and galvanized waterer, not suitable for plastic waterer. Specification: Material: PVC Product Color: Black Product Size: 16.5 x 16.5cm Product Weight: 200g Waterproof: IPX7 Voltage: AC 110-240V Power: 30W Safety Protection: Built-in Thermal Protector Package Included: 1 x Poultry Water Heater