Item Type: Atomization Disc Material: Electronic Component Power: 2W Voltage: 5V Spray Volume: 30-40ml per hour Working Time: 2-8H Noise: 36DB Note: Please soak the filter cotton completely before it can work normally Applicable Occasion: Office, car, residence, hotel, work, driving, yoga, reading, sleeping, traveling, SPA, etc. 1DIY USE: The module is widely used in atomization equipment, USB humidifier, perfume atomizer, aromatherapy atomizer and other atomization equipment. 2LARGE SPRAY VOLUME: The spray volume of this atomization module can achieve 30 to 40ml per hour, effective and efficient. 3CONTINUOUS WORK: Working time can be 2 to 8 hours, the module can atomize all night long to keep moisture and relax your mood. 4LOW NOISE: With a low noise of less than 36DB, the mist spray module provides a comfortable operation environment. 5MULTI FUNCTION: This atomization plate can be used for driving, reading, sleeping, traveling, SPA, etc.1. Distinguish the front and back of the atomizer: there are white piezoelectric ceramic ring and gasket on the front. 2. Place the atomizer on the water surface, not in the water, contact the back of the atomizer with the water surface. 1 x Circuit Board 1 x Humidifier Filter Cotton Swab