at 2400W-s 1/1400 sec. at 600W-s One LED numeric display per channel ±1% at maximum power 230V AC, 50/60Hz / 90 - 130V AC, 50/60Hz Green Ready Indicator lights up at 100% charge. Audio Ready Signal and Modelling Intermittent when selected. 15A thermal breakers for charge and modelling 6V Switchable: On/Off Switchable: On/Off 650w (max.) x 2 Off, Proportional, 100% or Automatic 100% in either Continuous or Intermittent flash-indication mode. QUADX Flash Head (BW7660) 281 x 184 x 336mm (362mm inc.