Patented design of this heated poultry fount keeps water ice-free down to -5 degrees F in the winter, but can be used year round as well. Thermostatically controlled with optimized heater pad design for maximum heating efficiency to ensure ice-free water. Rounded top of water jug helps prevent chickens from roosting. The easy-to-fill design makes caring for your chickens simple. 3-gallon capacity. 4-foot cord is LOCKNDRY compatible. cULus Listed. 100 Watts, 120 Volts, 60 Hz. One year warranty.