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).Type: Feeder TimerSize: UniversalDigital: NoBattery: AAFeed Time Programs: 12Duration: 3-16 SecondsHousing Material: AluminumDegrees: 360 Degrees