• Ultrasonic anti-bark device for dogs, safe and humane, designed to reduce excessive barking. • Equipped with 4 ultrasonic emission holes, which improves effectiveness compared to traditional models. • Offers 3 adjustable ultrasonic frequency modes to suit different needs and sensitivities of dogs. • Effective range of up to 10 meters (33FT), allowing use in large spaces. • Works both indoors and outdoors, ideal for home or garden. • Water-resistant with IPX4 certification, can be used on rainy days (not submersible). • Long-lasting rechargeable battery: up to 60 days on standby mode and 30 days of continuous use. • Automatic activation through bark detection, allowing intelligent operation and energy saving. • Easy to use: simply turn on the device, select the desired frequency, and place it at the recommended height. • Includes USB charging cable and instruction manual. • Helps create a quieter and more comfortable environment for people and pets.