【Harmless and Effective Dog Bark Control Device】The ultrasonic bark control device combines dog training with bark control function. It adopts 24KHZ ultrasonic technology. This dog bark control is also effective in stopping unwanted ingredients such as dogs barking, digging, eating dirty or fighting. 【Rechargeable and Easy to Install】This rechargeable lithium battery has a ‘a built-in ultrasonic anti-bark, which can be charged via USB cable. 【Waterproof and durable anti-bark shield for dogs】 The bark control unit is made of IPX 4 waterproof material , durable, weatherproof, sturdy and safe for indoor and outdoor use in all weather conditions. The bark controller faces the dog within range without any obstruction. 【Safe and Humanized Dog Barking】The average hearing frequency range of humans is 20Hz-20KHZ, and dogs can hear from 15Hz to 120KHZ. Thus, the high-pitched ultrasonic technique of this anti-bark device can only be heard by dogs. After the device is turned on, it attracts the
