The water in the device is vibrated with a filter using Ultrasonic vbrating Mesh technology 
It have CE/GS and RoHS approval. 
power supply : recharge LI battery

Power comsumption total: max. 2w 
DC 5V to DC 12V supply 
Volume of adding humidifier:30ml/h 
Noise:max. 30db(A) 
Dimension:70*70*105mm