PetSafe In-Ground Dog Fence System - Control Unit & Collar - Model 300-1043 • PetSafe control unit for in-ground fencing system • Includes power adapter and collar receiver (model 300-1043) • Adjustable boundary width control • Two red indicator lights (Power and Loop) • PetSafe collar with adjustable nylon strap and on/off switch • Ideal for keeping pets safe within your yard • Used, in working condition #PetSafe #InGroundFence #DogFence #PetContainment #PetTraining #FenceSystem #DogCollar #PetSafety