... Spec 5-in-1 10W(12PCS) Constant current driver 500MA PWM Dimmer >400HZ Life span 50000-100000hours Control Signal DMX512, master and ... slave Control mode stand alone/ DMX/ master and slave Channel 4CH, 5CH, 9CH, 10CH Color effect ... R, G, B, A, W, Mixing Function Effect dimmer, strobe, eotic, gradual change Beam Angle 25°, 45°, Optional Cooling ...