Fertilizer and Care Rose Bush Super Ultrasonic Mouse Repeller Highlights Wewoo Super Ultrasonic Mouse Repeller Super Ultrasonic Mouse Repeller 1) It effectively protects an area measuring about 200 square meters. 2) Frequency Conversion The ultrasonic mouse repeller is effective in controlling mice, rats, cockroaches, fleas, flies, crickets, peanut fish, water chips, moths, ants and most other common parasites. 3) Laboratory research has shown that ultrasonic sound waves attack the auditory and nervous systems of the most common pests, causing pain and discomfort. 4) Frequency Conversion The ultrasonic mouse repeller automatically sweeps the ultrasonic range from 24000Hz to 45000Hz, the adjustment knob allows the sweep rate to be varied to prevent pests from developing immunity at a rate of pre-selected single scan. 5) Weight: 1 lb 6) Power Supply: AC DC 9V 200mA ADAPTER AC 100-120V 50/60 Hz or AC 220-240V 50Hz (available separately depending on country) 7) Power Consumption: 3 watts 8) Frequency: 24,000Hz to 45,000Hz 9) Output sound pressure: 160dB 10) Size: 14.4 x 5 x 8.6