Product details:

Heater is completely hidden within the walls of all plastic buckets. Perfect mid size bucket. Especially suited for medium to large dogs or other animals. Built in thermostat. 3 prong cord with chew protector. Features a built in thermostat to keep water ice free in temperatures as low as 20 below zero. Dimensions: 12.5" H x 14.5" W x 16.5" D.