THE-TIMER is a universal deer feeder timer that adapts to any feeder on the market today. Easy to operate with a FIVE-year warranty and compatible with any 6 Volt or 12 Volt control unit. THE-TIMER allows users to schedule up to six feedings per day. THE-TIMER is fuse protected with easy four-wire hook up (2 wires to battery, 2 wires to motor). The wiring harness and internal AA batteries are included. Please note that the AA batteries are only used to hold memory for THE-TIMER.