This digital electronic feeder control unit is operated by 12 volts of battery power (not included). The controls are safely housed in a powder-coated, galvanized steel case. The spinner plate is also durable, galvanized steel, and this unit is capable of up to 6 feed times with durations from 1 to 30 seconds. A 2" drop funnel helps supply a 360-degree dispersal range out to 30 feet.