RGB LED Strip Light with 24key Remote Control Atmosphere Light for KTV Staircase Computer TV Screen Backlight Bedroom Livingroom Decoration

20m = 2 rolls * 10m 30m = 2 rolls * 15mNote:1. When connecting, make sure the arrows are on the same line, otherwise the LED strip will not light.2. Remove the plastic film before inserting into the remote control.3. If you don't know how to install, please contact us and we will answer as soon as possible.Features:1. Can be cut and connected: The tube strip can be cut and connected to the LED strip connector according to the instructions.2. Music mode: The LED strip can change colors and lightning speed according to the rhythm and sound.3. High quality: High quality LED lights have a longer life, brighter light and are safer for everyone.4. Timer: Bluetooth LED Extreme supports timer function. You can place the LED strip to turn on/off for a while.5. Many control modes: bluetooth application control and infrared remote control.