The Bark Button for Dog is a professional-grade ultrasonic training device designed to safely and effectively control excessive barking and unwanted behaviors. Using a 25kHz sound frequency (inaudible to humans but attention-grabbing for dogs), this portable trainer safely interrupts your dog's barking pattern without physical contact, With adjustable sensitivity settings, it accommodates dogs from small breeds to medium sizes. The rechargeable lithium battery lasts 30 days on a single charge, eliminating constant battery replacements. Perfect for homes with multiple pets, range ensures effective coverage for yards and parks. The waterproof construction and built-in strobe light flashlight make it ideal for outdoor use in any weather.