Feeder Features: Heavy - duty metal control housing; High torque industrial motor; Heavy - duty “No Blow” slinger resist wind and grain trickle; Metal downspout; Fits most feed containers; Easy to install; Runs on 6 volt or 12 volt batteries, not included; For best results, use rechargeable batteries, DE-30045 6 Volt recommended or DE-30020 12 Volt. Timer Features: Power indicator; Memory preserves user settings; Three spread speeds: 3000, 3300 and 3800 RPM; Feeds 1-8 different times per day; Can feed various days of the week; Adjustable feed rate (1-30 sec). Model 20558