Features: Unit carries exclusive lifetime warranty 24 hour quartz clock 1 to 12 feed times per day High speed DC motor Water tight construction All aluminum construction Aluminum spin plate Operates on 11 AA Alkaline Batteries last up to one year Operates in extreme weather conditions -60F to +120F Unit can take rough handling it floats, it can take a shotgun blast, we have dropped this unit from an airplane at 500 feet, and it still works Adjustable motor run time 3-16 seconds