About this item【Smart Automatic Operation】The smart car air freshener is equipped with a built-in microsensor that detects vehicle movement and automatically turns the device on or off. No manual operation is required—enjoy a convenient and worry-free driving experience.【Fast and Effective Odor Neutralization】Our smart air freshener uses innovative nano-atomization technology to transform essential oils into nanoparticles. These spread rapidly into every corner of the car, effectively neutralizing odors while operating almost silently. Experience an instantly fresh driving environment.【Five Adjustable Modes】With 5 modes of adjustment (level 1, spray for 2 seconds every 60 seconds; level 2, spray for 2 seconds every 5 minutes; level 3, spray.