📌Bark box adjustment mode
T-test mode
Mode1: low range-up to 15feet (Frequencies:15KHZ)
Mode2: medium range-up to 30feet (Frequencies:30KHZ)
Mode3: high range-up to 50feet (Frequencies:50KHZ)
When the dog barks, the red light flashes to show that the ultrasonic work the green light flashes after the hibernation of the dog barking to wake up, Red light flashes when the battery is low.

📌The working principle of the bark box
1.Outdoor ultrasonic bark suppressors can effectively prevent dogs from barking and do not require collars. They are safe and effective, suitable for all breeds and sizes of dogs. 2.When the microphone of the product detects dog barking, the product will automatically emit high-frequency ultrasound waves, which cannot be heard by the human ear but can be heard by dogs. For dogs, this is a harsh noise, so they will stop barking and leave. 3.The Bark Deterrent is housed in a professional IPX4 waterproof enclosure, Can withstand any bad weather, can work normally, Its robust design makes it an ideal option for outdoor settings, When barking is detected
📌ultrasonic dog bark deterrent usage scenarios
Effective in controlling excessive barking, ideal for apartments, condominiums or homes with nearby neighbors, We can place it on the wall, fence or tree, any location indoor or outdoor can be, its sound waves up to 50 FT, your neighbor's dog, or even stray dogs from barking excessively.
It is a humane, safer and more effective way to train dogs, Prevents unwanted behaviours such as excessive barking.

📌Packing List：
Anti Barking Device*1
User Manual*1

📌Note:The product does not include batteries, a 9V battery is required and the unit will work continuously for up to 30 days.