After real-world evaluation of dozens of ultrasonic repellers, we selected the five best for keeping dogs (and other nuisance animals) out of your yard. Our testing criteria included detection accuracy, sensor coverage, battery life, build quality, and real-world owner feedback. We focused on solar-powered models with motion activation and waterproof construction. The units we chose excel in different scenarios, from small gardens to large properties. Read on to find the right fit for your needs.

Sources and further reading