Features: -It emits safe sound waves (25-30KHz) to attract your dog's attention and prevent bad behavior. -The maximum applicable distance is 10m, and the optimal distance is 5m (ultrasonic waves cannot penetrate obstacles). -Built-in 800mAh rechargeable lithium-ion battery, can be used for up to 60 days per charge. -With low/medium/high frequency mode, this ultrasonic wave will not cause harm to dogs, but can effectively stop dogs from barking and aggressive behavior. -Equipped with two high-brightness LED lights, you can turn on the spotlight with one button, allowing you to walk safely and worry-free even in the dark. .
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