Anti Barking Device, Dog Bark Deterrent Devices Outdoor and Indoor with 4 Frequency Ultrasonic, Waterproof Dog Barking Control Devices Dog Barking Silencer of 50ft Range, Safe for Human & Dogs (Green)

SAFE FOR DOGS & HUMAN: The dog barking regulate devices will not disturb or harm people or dogs. It works by emitting a sound in a frequency band that only dogs can hear and humans cannot hear, to make the dog stop its annoying barking.
AUTOMATIC BARK CONTROL DEVICE: The usage of the contemporary ultrasonic technology, the anti bark box only works when it senses a dog barking. It’ll automatically stop over the top, noisy dog barking and provide you with a quiet life!
4 LEVELS OF OPERATION: Four adjustable ultrasonic volume levels (Test, Low, Medium, High), provide quite a lot of ultrasonic penetration: 12-50 FT. The ultrasonic dog barking regulate device effectively stop barking indoors and outdoors. You’ll be able to turn the knob to test different frequency bands for best results.
DESIGN & WATERPROOF: Our anti barking device is made of waterproof material, so it may be used even in rainy days. The bark regulate device may also be easily hung from a tree, fence post or anywhere with the included lanyard, which can effectively stop any barking. Note: Do not submerge the bottom battery compartment in water.
FITS FOR MOST DOGS: This anti barking device works for most dogs: 6 months to 8 years old (10-130 lbs), but does not work for dogs that are deaf or hearing impaired. If the dog does not stop barking when you first start The usage of it, please allow 2 weeks for the dog to adjust.