1. It built-in chip, automatic sense the interior environment of the car2. on the car is activated, off the car is turned off3. After induction, the perfume is automatically atomized and sprayed4. It has the effects of deodorizing, refreshing, etc.5. There are 3gears to from, continuous working mode and intermittent working modeFully can be used for 40 Suitable , office, car, etc.Instructions:Click , Intermittent sprayingClick again, continuous sprayingLong press for 3 seconds, power on /offType:Smart Car Air Freshener Clock Display Diffuser Fitment Type: Direct Replacement InstallCondition: 100% NewMade of high quality material, for durable use.Fitment: For Car Accessory Car Air Freshener Diffuser Men's Perfume color:Material:Metal + PlasticPackage Contents:1 x Car Air Natural Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.