Ultrasonic Housefly Repeller (NT-MR832)

Ultrasonic housefly repeller specification: 1) Working Mode: Ultrasonic 2) Specical For: Housefly 3) Ultrasonic housefly repeller adopt digital electronic techniques, by physical to repeller the flies. This product through special frequency ultrasound, in a certain spatial scale make a ultrasound environment can stimulate the nervous system of flies and influence its behavior,feel discomfort and got away 4) The products have been continuous use (≥ 2 weeks) will be effectiveness. 5) Cover up to 60 m² 6)Frequency: ---- 7) Power: 3--9 watts 220V AC