Why FAFAFROG bark collar are an effective training tool?FAFAFROG dog bark collar are designed to be used in conjunction with positive training, you’ll both enjoy better behavior without the need to resort to physical or verbal punishment, means healthier and better behaved pets living with happier families, friends and neighbors.Variable Warning Tone with 6 Frequency for effective training.Dual-recognition smart triggering, different from other barking collars, FAFAFROG smart dog collar can only be work by sound & vibration. There will be no more accidental shock to your love dog.The bark collar for medium dogs that looks cool. Our bark collar is sleek, modern and attractive. So you can accessorize and personalize your puppy’s look. The smart color display contains every detail you need to see. The operation is simple, and it is also very friendly to novices.The no bark collars for dogs works 100% humane, shock and no shock modes, beep, vibration, beep+vibration, beep+vibration+shock. Just press on M button to switch modes and enjoy a quiet life.The bark collar suitable for large, medium or small dogs with a weight of 8-120lbs.Magnetic charging with over-voltage charging protection, one -touch to charge, simple and safe; charged in 2 hours and works about 15 days. IP67 waterproof dog bark collar is ready for all weather conditions.What you'll get?1* IP67 Bark collar1* USB magnetic charging cable1* Test Board4* Silicone Protective Covers4* Contact Points1* User manual