New Recording and Playback FunctionThe new version of the remote control barking control device can be used to monitor the barking control device. Ultrasonic has a custom sound control, which allows you to record your own voice to give commands to your computer. your dogs. Long press the record button to record your words into the device (1 to 20 seconds). Compared to the annoying beep, the owner's voice gives the dog a warm feeling and makes dog training more effective 3 intensity settings AdjustableThe anti-bark device for dogs has 3 intensity settings. different: weak (ultrasound), medium (ultrasound) and strong (ultrasound + recording playback). Depending on his personality and its reactions, you can choose the level that best suits you. your dog. Continuous training with this ultrasonic anti-bark device for dogs will provide effective and long-lasting results. Waterproof and USB rechargeable The debarker ultrasound is delivered with a lanyard that can be hung on your phone. a tree, an interior, exterior or exterior wall. a fence post, no need to worry in rainy days. This ultrasonic anti-bark device for dogs is fully charged. for 5 hours and can work for about 30 days. To ensure the Ultrasonic Dog Bark Control Device works properly. For Dogs of All SizesThe Dog Bark Control Device uses ultrasonic technology to attract the dog's attention. dog. It works automatically without your dog needing to carry it or press a button. For dogs with hearing problems, sound deterrents against barking are ineffective. The effective range of this anti-bark device for dogs is up to 33 feet. Safe for Dogs and HumansDog bark control devices will not disturb or harm humans or dogs. It works by emitting sound in a frequency band that only dogs can hear and humans cannot hear. So rest assured! that anti-bark products are not harmful to the hearing of humans or dogs.