On Time's Classic Lifetime feeder offers a lifetime of use with a lifetime guarantee. It combines a reliable quartz clock and high torque motor with extremely durable aircraft grade aluminum housing designed to resist years of punishment in the outdoors. It features a waterproof design with the clock housed in the base. The high speed motor will last through the season on a single set of batteries. It is easily programmable, allowing up to 12 feedings per day with durations of 3 to 16 seconds. The universal mounting allows the Classic Lifetime feeder to fit most hoppers. It uses 11 AA batteries (not included).