Pet gentle anti bark control device - Ultrasonic trainer with dual sensor technology New Anti Barking Device will help you to train dog and bark control. Train your dog in good behavior, stop clawing, digging, scratching, biting, and staying off the furniture.<br> Pet Gentle Bark Control Device Keep Unfriendly Dogs Away: Sometime, kids or adults will be hurt by unfriendly dogs. The handheld dog repellent device uses two ultrasonic transmitters, which can repellent dogs away. It carries an ultrasonic which can reach up to 20 feet . It will protect you from the unfriendly dogs to send a message to the approaching dogs before they become aggressive while you are walking, running, bicycling, etc.<br> Anti Barking Device it is suitable for all-sized dogs: Regardless of the breeds or sizes of the dogs, their hearing range is the same. ultrasonic bark control aid emits ultrasonic sound at 25KHZ which will not affect humans but can grab dogs'attention. This anti barking device will a safer and gentler training option.<br> Safety Night with Anti Barking Device: The anti-dog barking device has a super bright LED flashlight that can protect against the vicious dog while you are outdoor at night. It also can be an ordinary flashlight at nigh<br> Trainer Device emits a beep at the beginning and then the light to attract the dog's attention more effectively. That beep is followed by ultrasound. You have to insist on training the dog until it forms a reflex not to bark when he only sees this device.