When connected to the COUGAR Core Box, Core Box C or Core Box v2, the COUGAR RGB LED Strip will allow you to choose from 100 amazing visual effects that will give your case a new life. If you also have Vortex RGB fans, the effects on the fans and the LED strips can be wirelessly controlled and synchronized. With Core Box C or Core Box v2, connection to compatible motherboards’ 5v RGB header for system-wide synchronization is also possible.(Note: Both Core Box/Core Box C/Core Box v2 and the Vortex RGB fans are sold separately. This package includes only two COUGAR RGB LED Strips)