Allied Precision Kozybird Spa Heated Bird Bath gives your birds a continual source of water all year long. The bowl is durable polymer which resists damage caused by freezing and thawing water. Inside, a hermetically-sealed heater and automatic thermostat ensure safe and reliable use, keeping your water above freezing at an energy efficient rate. At the bath’s base is a power socket for outdoor-rated extension cord. The bird bath is 1.5" deep and has an uppraised center island for your birds to rest on while drinking and bathing. The bath unsrcrews for easy cleaning. Pedestal sold separately.