1. It built-in chip, automatic sense the interior environment of the car 2. on the car is activated, off the car is turned off 3. After induction, the perfume is automatically atomized and sprayed 4. It has the effects of deodorizing, refreshing, etc. 5. There are 3gears to choose from, continuous working mode and intermittent working mode Fully can be used for 40 Suitable , office, car, etc. Instructions: Click once, Intermittent spraying Click again, continuous spraying Long press for 3 seconds, power on /off Type:Smart Car Air Freshener Clock Display Diffuser Fitment Type: Direct Replacement Install Condition: 100% New Made of high quality material, for durable use. Fitment: For Cars Car Accessory Car Air Freshener Diffuser Men's Perfume Woman color:Green mirror Material:Metal + Plastic Package 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.