Ultrasonic frequency: 2.4MHZ 0.4 to 1.0 ml/minute<br />Output voltage:  DC12V<br />Input voltage: 110-220V can works in all countries<br />Droplet size:  0.5 micron to 5 micron<br />Cup capacity:  10ml maximum<br />Size: 14 x 8 x 5.7 cm / 5.51 x 3.15 x 2.24 inch<br />Pakage Include( in original packed):<br />1 x Ultrasonic Nebulizer <br />2 x Mask (1 adult size， 1 children size)<br />5 x Medical cups<br />2 x Mouth pieces<br />1 x AC adapter  <br />1 x English Manual