USB dual-way humidifier module, using the principle of ultrasonic high-frequency oscillation. spraying volume and stable performance.The water is atomized into -particles of 1-5 Micrometres and diffused into the air, so as to achieve the purpose of uniform humidification of the air.Easy to install, simple to use.Widely used.Type: Humidifier moduleVoltage: 5VCurrent: 300mAFrequency: 110KHzPower: 2WColour:greenMaterial:PCBSize: 32 x 29mmPackage Contents:1 x USB Humidifier Module2 x Microporous Atomization Piece2 x Humidifier Cotton SwabOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.