Bark collar for small dogs 5-15lbs with beep vibration without shock No shock bark collar dual vibration motor is stronger choose the gentle or strong vibration by the m button and adjustable 5 sensitivity leave can set by the power button Waterproof anti bark collar with rechargeable battery No bark collar will activates only when your dog barks other nearby dogs other sounds can not activate the collar Dog bark collar light weight for small dogs from 8 to 150 pounds with 2 reflective belt adjustable