Skin contact is crucial for the shock mode to work effectively. Please fit the collar properly to make sure the contact points press firmly against the dog’s neck. When the collar is properly fitted, Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review $55.99 Bousnic Dog Shock Collar for 2 Dogs – (8-120lbs) Waterproof Rechargeable Electric Dog Training Collar with Remote for Small Medium Large Dogs with Beep Vibration Safe Shock Modes(Grey) Added to wishlistRemoved from wishlist 0 Add to compare