RGB LED Strip The musical led strips dimmable each roll is 20 meters, they can be connected to the adapter separately or spliced together so that the longer length, which is longer to meet your wide decoration. Decoration They can be used for kitchen, closet, bedroom, TV backlight, mirror, party, wedding, Christmas decoration, etc. Control The led strips can be controlled by 3 methods - APP, remote control, controller. Personal Timing Function •You can preset the desired time and color for the lights to turn on or off automatically. •You can also select 4 different timer times with the remote control. •For example, they can be turned on automatically before you come home. Create a romantic and warm atmosphere. Adjusting the Brightness and Speed of Lights •The LED strip lights can be adjusted in brightness and speed by APP or controller. •Don't worry about the LED strips being too dark or dazzling. The LED strip is 20m long. It can be controlled by the APP to choose 16 million colors,