100ml bottle capacity, long lasting fragrance Built in fan, instant fragrance High pressure micro fog, energy saving and low consumption Alloy shell, strong and durable LCD display, adjust time Intelligent circulation, fragrance all night Silent fragrance, silky and silent Two color options to meet your needs Nano atomization without essential oil Evenly expand the area of 200 square meters Purifying air, reducing bacteria and odor One key removal, simple operation No heat.No water.No ultrasonic. NO life limit. Using brushless Electromagnetic pump,Avoid the traditional life limitation of brush pump. Amount of heavy fog. Spread the scent quickly. Gas liquid separation. Avoid traditional blockages. https://www.aromadiffusermachine.com/sale-13806319-columnar-intelligent-vertical-hotel-aroma-diffuser-fragrance-essential-oil-pervade.html