Features: Dirve-voltage: DC3-12V, Rated-power: 1.5w, Atomization capacity: 25-600M/H. Easy to use. After charge the frequency sweep- driver board, press the key- to start. 20mm diameter ultrasonic atomizer plate povides with more finer- particles that your desk or other platform can be well protected against dampness. It can work well- over the water surface-, absorbent sponge- or towelwith more finer- particles and higher- spray level. But please note, if it is submerged- at all, it does not produce any mist-. Widely used in the ultrasonic atomization devices, USB humidifier, perfume- atomizer, aromatherapy atomizer and other atomization devices. Specifications: Control board size: 35x19mm/1.4x0.7-inch Dirve-voltage: DC3-12V Rated-power: 1.5w Atomization capacity: 25-600M/H Power-range: 0.6-3w Color: black/green/blue Note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1XUltrasonic Atomization Maker