At only 3.2 ounces, compact takes on a whole new meaning with this item. The receiver is rugged and 100% waterproof, so it can be used indoors or out and on any dog. This new generation of bark-control products requires no external vibration sensor - all working parts are housed inside the rugged case. New Auto Set Technology - the model BC-200 automatically sets itself at an appropriate stimulation that quiets your dog. It also gives your dog a two second "learning time-out" between stimulations.

• Ultra-compact micro-sized receiver.
• New Auto-Set Technology.
• Seven stimulation levels to match any dog’s temperament.
• Automatic No programming involved.
• Rugged and waterproof for use indoors or out.
• Safe: The collar can be activated only by the dog’s bark.
• Convenient: Long-life rechargeable NiMH battery is environmentally friendly.