Sys-One RGB+W 4 zone Remote control multi-function

4 zones (RGB) can be controlled separately or synchronously, can be taught-in to any number of Sys-One sequencers in a common radio reception area (max. 30 meters), the white channel is addressed and dimmed via the W button in the center of the color wheel, 3 memory locations, 3 AAA batteries required (not included)stepless dimming RGB+W