Most electronic pest repellers use ultrasonic sound waves to deter pests.

Common targets include rodents, insects, and some small animals.

Usually, yes. Most devices have a limited range.

Coverage varies by model, but generally, a single unit can cover a standard-sized room. For larger areas, multiple units may be necessary.

Most units have indicator lights or audible signals to confirm operation. Refer to the user manual for specific details.

Ultrasound is generally safe for pets such as dogs and cats. However, it may affect small pets like rodents or rabbits. Consult your veterinarian if you have concerns.