[Multifunction]: Our product can be used not only for the car, but also a great idea for the home or office. The machine brings the fragrance aroma diffusers as the basic function, with additional romantic project light and colorful ambient light as the plus. Essential oil and battery can last 30 to 60 days for daily use.[Premium Quality]: We are using the aluminum alloy shell instead of plastic quality, the perfume comes from high standard natual fragrance material, envirement friendly, alcohol free and no harm to the child. AI intelligent auto control system will make it automatic start upon getting into the car and automatic shutdown when you left.[Fast Setup]: 1st open the perfume bottom, remove the rubber lid. 2nd open the machine bottom, rotate to tight the perfume bottle inside the diffusers, then close the machine bottom. Automatic on/off vibrations, nano atomization for instant scent release.[Easy Use]: Press the power button 3 seconds to turn on, you have 4 modes to choose the spray concentrations: Light mode(spray 1s every 10 mins), Middle mode(spray 1s every 5 mins), Intense Mode(spray 1s every 30 secs), Continuous spray mode(continuously spray for 1 hour). After you shortly pressed the star light button, the project will on or off, After you pressed the light button over 2 seconds, the colorful breathing atmosphere light will turn on or off.