4.Easy DIY Installation: This Solar animal repellent is easy to install, providing multiple mounting options. Whether on your wall or fence, or simply inserted in the ground, this ultrasonic ...
Animals and insects hear sounds in a much higher range. On average, ultrasonic devices emit a sound at about 65,000 Hz which, ...
But ultrasonic animal deterrents are not without controversy. The RSPCA has long-objected to them, stating: "Noise levels produced by such ultrasonic devices are likely to be aversive to some ...