describe Extra Long 20m Multicolor Light BarsThese 20m (10m*2 rolls) RGB 5050 LED light bars include 600 bright LEDs. 16 kinds of multi-color options, a variety of DIY modes to meet your different Mood lighting. The strip lights are not waterproof and are designed for indoor use. 3 control methods] Bluetooth LED light bar is equipped with Bluetooth controller, infrared remote control and APP smart control (lotus light can be downloaded on Google Play and iOS App Store), you can adjust Brightness, change color, turn lights on/off. Sync with music] The light strip has a smart music mode. With a built-in high-sensitivity microphone, the lights dance with ambient sounds.EASY TO INSTALLJust stick the light bar on a clean, dry surface to get started. It is not waterproof and is designed for indoor use. Cut design allows you to cut it by marking Cut and decorate where you want. MULTIPLE APPLICATIONS] LED strips are perfect for bedrooms, dorms, kitchens, behind TVs, around mirrors, decorating stairs. what did you get? ] 20M LED light bar (10m*2 rolls), 1 x 40 key remote control, 1 x control box, 12V UL certified power adapter, 1 x user manual; the light strip comes with 6 free mounting rings, canFix the light strip more firmly.