Features: It built in ultrasonic sensors chip, after start-up, the perfume will be atomized and sprayed out automatically after sensing the vibrations. It has the effect of removing aldehydes, deodorizing, refreshing-, etc. There are three gears to choose from. Can be used as aromatherapy to improve air quality and keep the air fresh- and feel like being in nature. Give you a good-mood every day. Put in the air diffuser correctly and the aroma- will come out automatically. Can be used by pregnant women and babies. Specifications: Material:Zinc-Alloy,Glass Type:Car Perfume,Refilled(optional) Flavor:Cologne,Ocean(optional) Color:Black,Green Capacity:50ml Package Includes: 1x Electric Car Perfume note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.