This product is a Drain Pump for Whirlpool, Kenmore, and Maytag washers. It includes the WP3363394 and 285753A Motor Coupler, as well as the Drain Pump. Made of plastic, the set includes a Water Pump. The item dimensions are 6.89 x 6.06 x 3.46 inches and it weighs 9.5 ounces. The model number is WP3363394, 285753A. No batteries are required.