Description: _x000D_ This ultrasonic dust mite controller emits a range of ultrasonic sounds undetectable by humans or pets which interferes with the reproductive cycle of the dust mite. It is perfect for removing dust mites at home bed, sofa, blanket, curtain and so on. _x000D_ _x000D_ Features: _x000D_ Ultrasonic dust mite controller helps to remove dust mites at home bed, sofa, blanket, curtain and so on. _x000D_ With intensified double outlets design, it produces variable frequency ultrasonic wave with 360 degree effect, removing mites effectively. _x000D_ Human cannot hear this product's ultrasonic wave, so it is no harm to human, pets and you can rest assure to use it. _x000D_ It's easy to use. Just plug the device into electrical socket and it starts to operate. _x000D_ Suitable for home, restaurants, hotels, hospitals, etc. _x000D_ _x000D_ Specifications: _x000D_ Condition: 100% Brand New _x000D_ Material: Plastic Shell _x000D_ Color: As Picture Shown _x000D_ Plug Type: Chinese Standard Plug _x000D_ Voltage: 220V _x000D_ Power: 1~3W _x000D_ Effective Area: 40~80 Area _x000D_ Size: Approx. 9.5*5.5*3cm/3.74*2.17*1.18in _x000D_ Weight: Approx. 78g _x000D_ _x000D_ Package Included: _x000D_ 1 * Ultrasonic Dust Mite Controller _x000D_ _x000D_ Note: _x000D_ 1. Please kindly make a note if you need any adapter. _x000D_ 2.This product adopts high-tech electronic technology producing variable ultrasonic frequency instead of the use of chemical drugs, therefore it cannot be immediately effective, and, in general, the elimination of mites will gradually show the effect about 2 weeks or more. 1Ultrasonic dust mite controller helps to remove dust mites at home bed, sofa, blanket, curtain and so on 2With intensified double outlets design, it produces variable frequency ultrasonic wave with 360 degree effect, removing mites effectively 3Human cannot hear this product's ultrasonic wave, so it is no harm to human, pets and you can rest assure to use it 4It's easy to use. Just plug the device into electrical socket and it starts to operate 5Suitable for home, restaurants, hotels, hospitals, etc