Safe & Effective Anti Barking DeviceOur Anti Barking Devices use ultrasonic technology to gently discourage excessive barking without harm, preventing dogs from disturbing people's rest by barking excessively. Designed with your pet's health in mind, our bark box is carefully well-designed to be safe and harmless to dogs.Using it can create a quiet and comfortable environment for your home. 4 Levels Dog Bark Deterrent DevicesThe dog bark deterrent devices has 4 levels of sensitivity (25-48FT) and 4 levels of frequency (15KHZ-30KHZ). Bark box can be adapted to different dogs between 6 months and 8 years.You can customize the settings based on the specific usage scenario and your dog's size.The screen on the dog barking control devices plays a role in displaying the selected frequency and range. So simple and easy to use, every pet family essentials! Easy to UseThe control range of dog bark deterrent devices is up to 48 feet, which can effectively stop dogs of different sizes from barking.This dog barking control device has a small and lightweight appearance, making it easy to carry. You can install it on a tree, in a dog house, on a table, or anywhere else you find it convenient to use.