Features: -It can get the dog's attention and quickly correct their bad behaviors within 1 second, such as barking, digging, chewing, scratching, biting, etc. -It emits a fixed ultrasonic frequency of 25kHz, a flexible ultrasonic frequency within the range of 20~30kHz, and different frequencies have different effects on different dogs. -Equipped with a powerful LED flashlight for easy use, it ensures visibility and safety during nighttime activities. -Built-in 2000mAh rechargeable battery, 2 hours USB fast charging, that lasts for more than 60 days. -The compact design makes it more suitable for ordinary people to hold and easy to carry. Specifications: .
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