Ultrasonic Mosquito Pest Repellent,QZT Repelente de Insectos Electrónico Enchufable harmless High Density Ultrasonic Repels Ants, Roaches, Fleas, Rats, Bugs, Fruit Fly, Cockroaches and More (2 pack)

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WARNINGDon't clean the device by water or damp cloth.Indoor use only.Keep away from moisture.Do not use this product around rodent pets such as gerbils and hamsters.NoteUltrasonic sound waves are reflected by walls and other hard surfaces such as furniture.So for optimal results,it is recommended to place 1 ultrasonic pest repeller in each room with a pest problem.For large areas such as basements and garages 2 units maybe required.Please wait three to four weeks for complete results.It is normal to experience increased pest activity during the first several weeks as they are being driven away from their hiding spots due to the ultrasonic sound wavcs.DescriptionFrequency Range:25KHz-65KHzInput Voltage：AC90V-250V/50-60HzEffectivw Range:800ft²-1200ft²Installation Height:20in-40in higher than groundPower:4-6W