Comes with 4 LED strips. Connect your cellular phone. Uses Bluetooth 4.0. Easy to install. Can control color, brightness or synch to your music. Each led strip is approximately 9" long. Each strip has double sided tape for easy installation. Can plug into your cigarette lighter receptacle or use the USB connector. For a permanent installation you can connect it to your accessory. IP65 rated. Uses LED Lamp app. CE and Rohs.