RF-RGB+ DYNAMIC transmitter for 4 zones, 4 scenes can be saved per zone, black, touch wheel for color selection, 4 internal programs can be called up, speed adjustable (10-900 sec.), separate dimming of the 4 channels, indoor range 20-30m, without batteries (3x AAA 1.5V), incl. holder, dimensions 153 x 52 x 19mm