Esky ES084 Upgraded Backlight Waterproof 330 Yard Remote Dog Training Electronic Shock Collar Beep Vibration 100% tested product with 1 Year Free Replacement Warranty for this remote training collar for dogs; BUY WITH CONFIDENCE The dog training collar support 1-16 intensity levels adjustment for stimulation/vibration, greater than others of 100 levels Humane, cost-effective and harmless to your dog. This dog electric collar comes with advanced RF technology boosts range up to 300m Separate stimulation/vibration/tone/light function button control makes this collar easy to operate With blue backlight, convenient and easy-to-read large LCD digital display