1. Equipped with 4 powerful ultrasonic transmitters and an automatic ultrasonic control device with 3 frequency adjustments to prevent barking from your dog or neighbor's dogs.
2. The ultrasonic frequency is harmless to pets and completely inaudible to humans. If your dog has hearing loss or is aggressive, the device may not function properly. It is not recommended to use one device on two or more barking dogs simultaneously.
3. Features an IP45 waterproof shell. The professional waterproof design allows you to use this dog barking device with peace of mind, regardless of weather conditions.
4. Can still function normally in severe weather conditions, even with sudden changes.
5. Equipped with an 1800mAh rechargeable lithium battery, providing 30 days of use after a 4-hour charge.
6. Durable shell material, requiring no complicated operation.
7. Can be installed in trees, doghouses, tables, or anywhere convenient. It can also be carried outdoors.
8. Suitable for dogs of all sizes. When the microphone detects a bark, it automatically emits ultrasonic waves to quiet the dog without harming the dog or people.