16 MILLION COLORS - With over millions of colors to choose from, you can choose the perfect custom color. Broad range of unique colors with 255 options of red, green, and/or blue. Adjustable brightness/dimness. Save up to 4 presets. MUSIC SYNC - These car interior lights have the ability to synchronize along with the music. Choose between using the microphone on your phone or the LED light strip. Change between 4 modes of lighting effects along with 100 sensitivity modes. 29 LIGHTING STYLE EFFECTS - Choose between static, color jumping, single color cross fade, dual color cross fade, gradual change, or strobe flash with adjustable speed and brightness. Show off your ambient lighting to your family or friends. APP CONTROL - Compatible with iPhone or Android. Use the QR code scanner on your device to scan the QR code on the LED light strip to download the app. EASY INSTALLATION - Decide the layout of the interior lights, clean the surface of the desired area, peel off the 3M tape, stick onto the desired position, and plug the connector into the 12V socket. Compatible with cars, trucks, vans, and SUVs.Cigarette lighter and USB two connection methods are available for selection Product Specification: Voltage: DC12V Quantity: 4 Number of LEDs: 12LED*4 = 48LED LED type: 5050SMD Length of a single light bar: 22CM Power supply mode: USB or cigarette lighter