1.Non-toxic and chemical-free and no more artificial scents typical of car freshener. 2.Purify the air inside the car, keep the air , reduce the harmful gases from the air. Not limited to use in the car, also for bathroom, bedroom, pet houses and more situation 3.Made of high quality aviation aluminum alloy, sturdy and durable, it is designed to last for years use. 4.Unique regulation mechanism, you can rotate device to control the volatilization rate; It opens the most when pointer is in the middle of the scale 5.Easy to install and use, no battery needed, fashion design, small in size, universal fit for most car , no tools needed. 6.Package includes stick. After the essential oil is running out, you can make then pad by your own, just immerse the pads into your favor essential oil. Size: about 83x13mm Aromatherapy Stick: 5 (Gulong, Lemon, , Ocean, ) duration: 2-6 months Note: Keep the pad from seats or other objects; Keep it from children Colour: Black Material: aluminum alloy Package Contents: 1 * car perfume diffuser 5 * aromatherapy stick Only the above package content, other are not included. Note: Light 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.