Gamemaster 50 Lb. Bag Feeder Portable, light weight,11.2 gallon collapsible heavy duty nylon hopper w/ zipper closure Digital timer (user friendly), 1 to 16 feed times per day, can feed different days of the week Wind proof spinner plate, centrifugal force opens 4 spring doors to sling feed up to 20' Hanging straps included adjustable feed rates 1 to 30 seconds; Uses 6V ,4.5 ah SLA battery