Digital dimmer Trigger precision: 1024; Dimming curves: 10 , each can be chosen to the dimmer(dmx channel) optionally ; Cue backup: 7 cues, ensure the performance successfully, no blackout; Dimming range : 0.4-100% ; Warm-up value setting: 0-20%, user-defined. Automatic track voltage compensation function; High-sensitive air switch overcurrent protection; maximum output limit, protecting lamp-house; lcd display. Field dimming function , custom define the brightness value optionally. Power supply:3phases, 5wires;ac85vf+245v, 45f+65hz Signal interface: dmx512 (1990). L480xw430xh133 21kg.