Please Note: This remote control waterless diffuser does not contain essential oils. Product Dimensions: 4.6"L x 4.6"W x 19.7"H 2025 Upgraded Remote Control Scent Air Machine - This 2025 new version BICEDO OY-5 scent air machine comes with a smart remote control, which allows you to choose scent concentration and working time. Upgraded Powerful Turbo Pump - BICEDO scent air machine for home bring you a more consistent, faster and more lasting scent experience. With the built-in upgraded power pump, this aromatherapy diffuser can compress the essential oil into nanoparticles in an instant, then the fragrance spreads quickly and evenly into the air like smoke. But unlike smoke, it's extremely fine, it takes 14 hours to fall from a height of 1.8m to the ground, which can maintain the aroma for a long time. 2500sq.ft Large Coverage - Fragrance is an accessory that s often overlooked in the design of a space.