<p>[Dog-Friendly Barking Control Device]: When the microphone detects a dog barking, the automatic ultrasonic anti dog barking device will automatically emit ultrasonic waves, which make the dog quiet and have no impact on humans or other pets.</p> <p>[3 Adjustable Modes \u0026 Four ultrasonic holes]:With four ultrasonic emitting holes for more powerful functions,The maximum effective range of this ultrasonic anti barking device is 16.4FT.</p> <p>[ \u0026 Portable]: This dog barking box has a small and appearance, making it easy to carry. You can install it on a tree, in a dog house, on a table, or anywhere else you convenient to use.</p> <p>[IPX4 Waterproof Dog Barking Box]: This device adopts an IPX4 material waterproof shell, and the professional waterproof design allows you to use the anti dog barking device without worrying about weather factors.</p> <p>[ \u0026 Charging]: This dog barking box is equipped with a 1500mAh rechargeable lithium battery, which can work for 30 days after 5 hours of charging.The anti barking device can be used upon receipt (better charging effect before use).</p> <p>Two Color LED: Shows good or low battery.</p> <p>Microphone: Used to detect barking.</p> <p>Sound Activated Speaker: Produces the ultrasonic sound.</p> <p>Switch with 3 Levels of Operation: Ultrasonic II level:Suitable for large and mischievous dogs, Ultrasonic I level: Suitable for gentle dogs, and Audio level: Suitable for small dogs.</p> <p>Ultrasonic Emission Port: Four</p> <p>Battery Capacity: 1500mAh</p> <p>Power:USB</p> <p>Effective Range: 16.4 feet</p> <p>Material: plastic</p> <p>colour: Black</p> <p>Package Contents:</p> <p>1 x Dog Repeller</p> <p>1 x USB Cable</p> <p>1 x English manual</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>