USCAMEL 2 in 1 Dog Training Collar, Shock Collar for 2 Dogs, Bark Collar with Remote for Large Medium Small Dogs, Rechargeable E-Collar Waterproof with 3 Training Modes, Beep Vibration and ShockUSCAMEL 2 Piece Dog Shock Collars offer 3 training modes, beep, vibration (level 0 20) and static shock (level 0 20). You can use the default beep mode or set the precise and comfortable training mode and level for your dog, it can help train the dog to respond to your commands. The shock collar receiver is waterproof to IPX67, giving your pet maximum flexibility outdoor activities. This dog training collar has a range of up to 1000 ft (333 yard) in