About this item -It can be used to automatically correct dog behaviors such as barking, disruptive behavior, and aggression. -Easy adjustment via push button control. Power level clearly shown on the display. -It has 3 modes (vibration, shock and sound mode), with 0-8 levels of fine adjustment. (Note: we recommend that you use shock mode as a last resort.) -The receiver has an IP67 waterproof rating for use in all weather conditions. It features soft silicone contacts to protect your dog's skin. -The collar features an adjustable design and can be adjusted between 3.93 inches and 25.59 inches in length. .
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