【Important Notice】Please be aware that our LED strip lights come in two versions. One version consists of two 10-metre rolls, while the other version consists of one 20-metre roll. Stock is dispatched randomly. 【Multi-way to control】Come with remote control and phone App control, you can adjust the brightness, change color, on/off the lights. Come with sensitive built-in mic, lights will pulsate and change colors along with the environmental sound and music when you set to music mode. 【Easy to install】The box contains 20m led lights, 1 AC/DC power adapter, 1 infrared remote control and 1 controller box. No tools required, the strength 3M double sided tape reliably holds the LED light strips in place, you just need to keep the mounting surface clean and dry. (Note: No connectors included! We don't recommend connecting the two rolls into one continuous straight strip.) 【Room decoration】Led strip lights are perfect for bedrooms, dorm rooms, kitchens, behind the TV, around mirrors, decorating the staircases. Comes with Microphone mode, which you can play music via the phone mic then lights will change colors and pulsate along. 【Infinite Applications for Home Interior Decoration, Dorm Room Decoration】You can set a timer to turn on/off the lights with your favorite color, you can also control the light strips within responsive distance of 50ft via the phone app. Comes with Microphone mode, which you can play music via the phone mic then lights will change colors and pulsate along. Led strip lights are perfect for bedrooms, dorm rooms, kitchens, behind the TV, around mirrors, decorating the staircases.