【Effective Anti Bark Device】: This upgraded anti bark dog combines a fixed frequency and a variable frequency to prevent bad dog behavior such as endless barking, digging, chewing furniture, eating unsafe food and fighting. < p>【Safe & Harmless Anti Bark Device】: The dog anti bark device uses 24khz-30khz ultrasonic technology. It is silent for humans (humans can only hear 20hz~20khz tones), but dogs can hear 15hz~50khz tones . 【Easy One Button Operation】: Easy to train with one button. When the dog is barking, digging, fighting, eating unsafe food, etc, just press the button and point it at the dog. The LED indicator turns green when the device works and emits ultrasound. 【USB Rechargeable & Portable Size】: Anti-bark for dogs with built-in 1200mA rechargeable Li-ion battery last up to 15 days, the effective range is 16.4 feet without worrying about no electricity. The small stop bark device fits perfectly in your hand. The red led light flashes when the power consumption is low.
