Sit Boo-Boo Remote Dog Training Collar for All Dog Sizes - Expertly Control Pet Behavior with Bonus Training eBOOK - Rechargeable - Waterproof - 990 Feet Range LIFETIME REPLACEMENT & WATERPROOF CONSTRUCTION  The most complete warranty in the market. Our premium construction is completely waterproof unlike most collars in the market, which are only splash or rainproof. PERFECT FOR THESE BREEDS - Retrevers, German Shepherds, Bulldogs, Beagles, Terriers, Poodles, Rottweilers, Boxers and more! CURE PROBLEM BEHAVIOR - Perfect for Barking, Walking, Leash Training, Sitting, Aggression, and other Behavioral Obedience. Become a dog whisperer as this e-Collar is the same collar used by many professional dog whisperers and trainers. LARGE LCD SCREEN W/ VARIABLE OPTIONS  Easy access to Tone, Vibration, or Shock settings with complete customization. Control the type and intensity of training like a professional trainer, so you can tailor the training to your dog and your situation BOOSTED BATTERY LIFE  Quickly rechargeable long lasting lithium-ion batteries are boosted with an sleep mode function designed to save battery life and improve performance