1000 w/s, with 12' AC & 16' sync cables. The Dynalite Road Series RP1000 1000 Watt/Second Power Pack is similar to the 1000WI/MP1000, but does not have the radio slave. This extremely compact power pack is lightweight, precise and powerful. Power may be adjusted asymmetrically in 1/3 power increments between the three head outlets with the rocker switches and across the board with the two-stop dial variator.The RP1000 has a three-way switch for controlling the modeling light -- on full, on in proportion to power, and off. The head outlets are arc-proof -- unplug the heads at will without having to shut down the power pack.The RP1000 has a built-in optical and infra red slave. If this pack is used with other strobes, it "sees" the light and fires instantaneously without having to be hard-wired.