Champion Traps and Targets 40913 EasyBird Auto-Feed Oscillating Base Made of the highest quality materials Hunting range gear skeet & trap Shooting target throwers Another quality Bushnell product 20 amp circuit breaker protects electrical wires and motor Oscillating Base with two arc setting (45 and 34.28 degrees for ATA competition) Oscillating Base features a quick disconnect power cord On-off-safe release switch provides safe method to uncock arm