Attentions: 1. The arrows should be connected on the same line. If not, it won’t work. Do not roll the light when using. 2. The strip lights are non-waterproof, suitable for indoor use. Please make sure the surface you intend to stick the light is clean, flat and dry. 3. Cut the light at the cut marks. Please make sure the power off first, then cut the light strip. 4. Compatible for Android 4.3 above and IOS 7.0 above. Package Included: 1 * L8star 5M LED Strip, 1 * Remote Control Receiver, 1 * 24 Key Remote Control , 1 * AC / DC Adapter, 1 * User manual