Humane barking dog deterrent: Designed for extra stubborn barkers, the Dog Silencer MAX will quiet your dog, or the barking neighbor dog, using safe ultrasonic sound. For best results, allow 2-3 weeks training time for the dog to learn to stop barking. Long-Range Barking Deterrent: This humane, no-shock trainer can reduce dog barking up to 300 feet away with a clear line of sight. The high-pressure speaker can reach the dog next door, so you can finally get the peace and quiet you deserve. Dog Training Behavior Aids: Every time the dog barks, your Dog Silencer MAX device will send out a high-pitched ultrasonic tone that dogs find extremely annoying. Most dogs learn quickly that if they are quiet, they won’t have to hear the irritating sound. Convenient Remote Control: Use the remote within 75 feet of the device to activate it manually — perfect bark remote for dogs outside of the automatic bark detection range, or for dogs that need extra behavior training. Water and Weather Resistant: Rain and sprinklers are no problem for the Dog Silencer MAX’s IPX4 water-resistant rating, providing all season dog bark deterrent devices for outdoor. To prolong the life of your dog bark deterrent devices, use it in an area sheltered from extensive rain or direct sun. Designed to reduce nuisance barking, this safe barking deterrent quiets dogs using humane ultrasonic sounds. This collarless no-shock trainer can stop dog barking up to 300 feet away. Imagine a quiet home where you can relax with your own thoughts, watch TV without having to crank up the volume, or finally get a good night’s sleep. Dog Silencer MAX’s high-pressure speaker can reach the dog next door, so you can get the peace and quiet you deserve. This barking deterrent device automatically detects and responds to dog barking up to 75 feet away. Rain and sprinklers are no problem for the Dog Silencer MAX’s IPX4 water-resistant rating. If the dog is outside the automatic detection range, activate manually with the press of a button. It’s also great for behavior training. Unlike traditional collars that can only be used on one dog, the free-standing Dog Silencer MAX can be used virtually anywhere, on any dog. It’s discreet enough to use on your neighbor’s dog without drawing unwanted attention. Every time the dog barks, your anti-barking system will send out a powerful high-pitched tone. Dogs find this sound extremely annoying, similar to fingernails on a chalkboard. Most dogs learn quickly that if they are quiet, they won’t have to hear this irritating sound anymore. For best results, a clear line of sight is required. Ultrasonic sound will not pass through walls, glass, thick shrubbery, or solid fences. Dimensions: 5.25” H x 4.25” W x 1.8” D