Aetertek AT-216 550 Meter Remote Control Waterproof Dog Training Collar with Beep Correction, 7 Levels of Vibration and 7 Shock Levels AT-216 model has shock, vibration and beep correction methods. 550 meters remote range Full waterproof receiver for use in any heavy rain or swimming Rechargeable Receiver to save cost on expensive alkaline batteries 7 levels of shock and vibration for you to select