Package includes: 1 x 21 keys LED controller (battery not included)
3PIN RF Controller Work for WS2811/WS2812 LED Strip 4PIN RF Controller Work for WS2813/WS2815 LED Strip
Maximum number of control points: 2048 points
Remote control distance: 20 metres (21-key multi-function RF remote control)
Effect: 358 types of variations, covers the effects of the market for all Symphony controller modes, you can program any combination of 16 and automatically play;
