SILENTPAL Dog Bark Deterrent Device,Anti-Barking Device,Up to 15Ft Long Range & Rechargeable Bark Control,Stop Barking Dog Devices,Safe for Dogs Training,Indoor & Outdoor（Green）

Fast and Effective Bark Control：This device features an advanced dual-unit design that offers double the coverage and intensity compared to single-unit alternatives, quickly curbing excessive barking, chewing, and jumping behaviors. Its dual-frequency ultrasonic technology integrates a fixed frequency with alternating variable frequencies to prevent dogs from growing accustomed to the stimulus, thus ensuring long-term effectiveness for over 95% of canines aged 6 months to 8 years. Three Adjustable Modes for Flexible Training:Featuring ultrasonic sound and a bright LED strobe light across three adjustable modes, this bark deterrent adapts to your dog's temperament and various training scenarios. It provides a safe, pain-free alternative to shock collars, ideal for daily obedience training, correcting stubborn barking, or even addressing disturbances from a neighbor's dog. 15-Foot Extended Range with Ergonomic Design:Manage unwanted behavior from a distance of up to 15 feet in your yard, at the park, or during walks. The ergonomically designed body fits comfortably in hand, ensuring ease of use even during extended training sessions. Fast USB-C Charging, Long Battery Life, and Ultra-Portable:With USB-C fast charging, the device reaches a full charge in just 1.5 hours, supporting up to 60 days of regular use on a single charge. Its compact, lightweight build is 50% smaller than traditional deterrents, making it easy to carry in a pocket or bag for training on the go, anytime and anywhere. All-in-One Smart Training Companion; This device integrates the functions of a bark collar, training whistle, and training aid into one simple tool. Follow the intuitive "Aim-Command-Reward" method to reinforce positive behaviors without causing discomfort, fostering a calmer and happier bond with your dog through consistent, humane guidance.(Ultrasonic frequency under 20 kHz)