Anti-barking device, 3 frequencies for dogs, 33-foot ultrasonic anti-barking deterrent, rechargeable, gentle pet training tool for small and large dogs

General Description This dog bark control device uses ultrasound to effectively and safely reduce unwanted barking. It emits a sound at a frequency only dogs can hear, eliminating the need for irritating methods such as spray or electric shocks. This device is designed to create a calm environment for dog owners while preventing disruptive behavior. Technical Specifications Adjustable sensitivity with 3 levels Frequencies: 15-30 kHz for large dogs, 20 kHz for docile dogs, 30 kHz for small dogs Range of 33 feet (10 meters) 3.7V 1500mAh rechargeable battery Full charge time: 5 hours Battery life: up to 15 days Compatibility and Accessories Suitable for all dog sizes Comes with a charging cable and 2 screws for installation Installation The device can be easily hung on a tree, wall, or fence post. Protecting it from rain is recommended to prolong its lifespan. It can also be placed indoors on a desk or shelf at a height of over 1.5 m for increased effectiveness. To use the device, select the desired sensitivity level. The indicator light flashes blue every 6 seconds when activated. A red light indicates that the device is triggered by barking and flashes when the battery is low. Use this device in conjunction with training to enhance its effectiveness.