Does Ultrasound Keep Dogs Away?
Does Ultrasound Keep Dogs Away? Conclusion. Sprays and ultrasonic devices are both highly effective when used as dog deterrents. Is there a device to keep dogs away? Yard Gard is a safe, silent, and electronic dog repellent. Like scarecrow sprinklers, it is effective against other pests, as well. But unlike a scarecrow sprinkler, you have