Halt II Canine Repellent shoots approximately a distance of 10 ft. Even though other solutions go for over this distance, it continues to be adequate. The shortcomings of this solution are the can gets chilly right after use, and also the spray will likely not work for all dogs. https://pawpressnews.com/best-dog-deterrent-device-for-dogs-the-ultimate-solution-for-bark-control-and-training