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【Advanced 15-25kHz Variable Frequency Technology】 Stop dog barking humanely and effectively with our upgraded anti barking device for dogs. Unlike fixed-frequency repellers that dogs soon ignore, our device uses a 15-25kHz variable frequency to prevent habituation. It provides safe, painless correction to instantly grab your dog’s attention and discourage unwanted behaviours like excessive barking, digging, or chewing without any harmful shocks；

【Precision Handheld Control & 16.4ft Range】 Take back control of your walks and home life with this high-performance ultrasonic dog barking device. With a targeted range of up to 16.4ft (5m), it allows you to deliver real-time feedback the moment bad behaviour occurs. This handheld anti barking devices design is superior to automatic boxes, as it ensures the correction is linked directly to the specific action, making training faster and more intuitive；

【Powerful 1800mAh Battery & Long Standby】 Say goodbye to the hassle of constant battery replacements. Our rechargeable stop barking dog device features a premium 1800mAh lithium battery that fully charges in just 5 hours via USB. It supports up to 15 hours of continuous ultrasonic emission and weeks of standby time, ensuring you are always equipped with a reliable dog barking deterrent devices for long hikes, park visits, or garden training sessions；

【Safe for Humans & Dogs with Visual Feedback】 Safety is our priority. This anti dog barking device is completely inaudible to human ears and 100% harmless to pets. It features a smart LED indicator: the green light illuminates during active emission, while the red light flashes to alert you when the battery is low. This ensures you never miss a training moment and provides peace of mind that you are using a professional-grade, humane

training tool；

【Portable "Transformer" Design & Pro Training Aid】 Compact (110mm x 50mm) and ergonomic, this lightweight anti bark device fits perfectly in your pocket or hand with the included wrist strap. Specifically optimised for dogs aged 6 months to 8 years (under 50 lbs), it serves as a powerful aid when paired with verbal commands. Please allow a 2-week consistent training period for your furry friend to fully associate barking with the ultrasonic signal；