Features: 1.Memory Function - The interior RGB LED lights for cars can remember their last setting, so when you turn it on again, it will be in the same mode before turning it off. 2.Adjust Brightness - The cordless USB interior light has built-in high-quality LED chips, and you can set the brightness as bright or dim. 3.The interior car lights have built-in 5 modes and 7 colors, allowing for easy switching of colors or modes by the remote. 4.Remote Control and Music Sync - You can control multiple LED interior car lights with a single remote. The effects of the car led lights interior will change with the rhythm of music/voice/clapping. 5,Wireless & Easy Installation - No need for complex wiring installation. The wireless led lights for cars can be easily and quickly installed by simply peeling off the double-sided adhesive and sticking it in place. 6. Built-in 750mAh Battery - The automotive neon accent light has a USB charging port for plug-and-play. The 2-in-1 USB charging cable can charge two car interior LED lights simultaneously and can be charged via a computer, power bank, or charger. Specification Product Name: Auto Interior Decorative Ambient Party Light Working voltage: 5V ColorsWhite, Red, Blue, Green, Yellow, Purple, Ice Blue Size: 8.7in(22.2cm)*1.26in(3.2cm) interface: usb (you can enjoy about 10 hours on one , uninterrupted flashing.) Usage Time 7 - 14 Days USB Charging : Green Light: Fully Charged, Red Light: Charging Modes 1. Warm Light Mode, 2. Warm Light 7-Color Auto Cycle Mode, 3. Starry Light 7-Color Auto Cycle Mode, 4. Sound Control Mode, 5. Starry Light And Strobe Mode. Package List Wireless Ambient Lights*2, Remote*1, Magnetic Metal Plates*2 Buckle Brackets*2, 2-in-1 USB Charging Cable*1. NoteFor the first use, please click the ON/OFF button on the ambient light to turn on the lights.