Four button, the model can depend on customer, can control 50 meters. 12V AC. light remote controller It has A, B,C,D. 4 buttons. 50 meter can control, A button: Jump changing model. First press shower: rapidly changing colors about 1 second changing each color, second press shower: slow changing colors about 3seconds each . B: Button: Slowly changing color about 6 seconds each color changing. C Button: Single color changing: first press show RED color, second press show green color, third press show blue, fourth press show Red-green, fifth press show Red-blue, sixth press show Green-blue, Seventh press show RGB colors. 39.5*39.5*23 ú¿150pcs/cartonú¬ 25kg W/G