... /slave or Detonator remote control. Preprogrammed special effects Effects:Variable strobe: 0 - 650 ms (50 Hz supply), or 0 - 530 ms ... (60 Hz supply)Strobe rate: 0 - 25 flashes/second (50 Hz supply), 0 - 30 ... up-down, random flash, lightning, spikes, blinder, single flash Size:550*220*380mmWeight:5.5KG Hot sell and good quality 3000w strobe light