1.Advanced Safety & Efficiency: The 2025 version of our anti barking device incorporates cutting- to safety for humans, animals, and plants. It features a precise frequency that is imperceptible to human ears and filters out irrelevant noises like conversations and door slamming, enhancing the accuracy of detecting your dog's bark and preventing false triggers. 2.Customizable Intensity Levels: Equipped with three adjustable settings (Low, Medium, High), our bark control device uses frequency conversion technology to emit irregular ultrasounds, preventing dogs from becoming desensitized to a fixed frequency. This feature increases the effectiveness in curbing excessive barking in dogs of all sizes. 3.Long-Range Bark Detection: The dog bark control device automatically detects and addresses dog barking within a radius of up to 75 feet. By emitting ultrasonic sounds that only dogs can hear, it effectively deters barking without any manual intervention. 4.Universal Dog Compatibility: Suitable for dogs of all sizes, this ultrasonic bark deterrent does not require any wearable component for your dog. It operates automatically, capturing your dog's attention and aiding in behavioral training without any discomfort. 5.Eco-Friendly & Long-Lasting: Our rechargeable bark control device comes with a robust 750 mAh battery that lasts up to 15 days on a single charge of 2-3 hours. Note: This device is not recommended for dogs under 6 months or those with hearing impairments.<br><br>Color: Black Material: plastic<br><br>Package Contents: 1 x Bark Stopper<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.