AETERTEK&reg; Top 919C-1 Remote Dog Training Collar Pet Shock Control for Stubborn or Serious Dogs Beep/Vibration/Shock E-Collar Designed for professional Hunter ,Dog Trainer 1000M Range Aetertek professional dog training system for large,stubborn and serious dog.1100 yards remote control range. Features multi-functional modes(10 levels of Shock, Vibration, Warning Beep Tone and Auto anti-bark). You can train your dog's barking without the remote when you turn on the auto anti bark feature. Excellent on pre-sale and after-sale service, one year unconditional quality warranty. All of our effort are for pets and our users. LCD display to show the correction levels and dog mode/channel.100% waterproof and rechargeable collars.