Mount this Koi feeder to a piece of 2x4, a metal pole, a wood post or a vertical 2x4 in a bucket filled with concrete and placed in the water. The L shaped metal bracket can also be attached to a pipe. This feeder can be electronically adjusted to feed fish sticks/pellets from a very small portion to a cup or more with multiple cycles. Combo Deal includes: Outdoor power supply kit, KSF-2XL Super Feeder with two tough polycarbonate 2-cup clear extensions plus a 1.5 gallon hopper (stack together for total of about 28 cups-5-6 lbs), outdoor approved ACDT-35 digital timer to give your fish up to 20 meals per day, all days of the week/year, a polycarbonate chute cover protective device over the chute opening and mounting hardware including a black powder-coated metal "L" shaped mounting bracket and two metal straps. Included with the outdoor power supply kit: One 6' short cord with a special screw-type sealed connector at one end to fit the power supply's output and a jack plug at the other end to fit the Super Feeder's side input jack (handy for calibrating feeder portion indoors before outdoor mounting). One long 30' long wire is included to reach the Super Feeder with a special screw-type sealed connector at one end to fit the power supply's output and metal spade connectors at the other end to fit the feeder's auxiliary input terminals underneath its floor. As an added bonus if ever needed to use your own wire, a coaxial plug-to-wire adapter is included with this kit. Power supply: Input 110-120Vac 60Hz--Output 12Vac. Timer: Input/ouput: 120Vac 60Hz USA style plugs only-this particular combo is not battery operated. THIS FEEDER REQUIRES MOUNTING ABILITY AND PROPER PROTECTION. When mounting this feeder outdoors, at least the chute cover area, dispenser and wire, should be adequately protected from wild animals. Overall size of feeder: 12.0" x 3.5" x 21.5" tall with one clear extension, 25" tall with two.