Upgraded Backlight Rechargeable 300yd Remote Dog Training Shock Collar with Beep, Vibration and Shock Electronic Electric Collar for 1 Dog by PaiPaitek 1.Remote,Rainproof &Rechargeable 330yd with Beep/Vibration/Shock Electric Dog Training Collar For Small,Medium,Large Pet&Dog 2.Dog Training Collar, 330 yd Rechargeable Rainproof Remoter with Beep, Vibration and Shock Electronic Electric Collar, Anti Dog Barking 3.Rheostat dial that allows for gradual increases in stimulation intensity with no jumps between 0-100 levels. 4.4trainning modes:static shock /vibration/beep/light. 5.Receiver's backlit LCD screen and easy to press buttons allow easy usage, and power saving battery makes longer life time.