Outdoor Bark Control

What is the range for the Outdoor Bark Control? The Outdoor Bark Control detects barking and sends the ultrasonic sound up to 50 feet Is the Outdoor Bark Control effective on all dogs? The product will not work on deaf or hearing impaired dogs. Can I use the Outdoor Bark Control indoors? No. we do not recommend using the product indoors Designed for easy hanging /mounting on a tree wall or fence post to keep your own dog or your neighbors dog from barking Safe and effective for all sizes and breeds of dogs. Battery operated (9-volt battery not included) ULTRASONIC CORRECTION Uses ultrasonic sound to deter nuisance barking. Detects bark up to 50 feet away 4 levels of operation Durable and weatherproof Two color LED for good /low battery indication