The Dynalite MK4-2302 RoadMax 400 W/s 3 head kit comes well equipped to handle on-the-run assignments like fashion, corporate work, portraiture, weddings and interiors.The MP 400 400W/s Roadmax power pack features 4 head outlets for breaking down output symmetrically or asymmetricallyThis is achieved over a 6 stop range with short flash durations at a super fast 2.2 seconds recycling time at full powerWith the variator knob, you can fine tune the exposure adjustments by 2 stopsIt comes with triggering options such as sync cord, IR or optical slave, and a built in 32-channel PocketWizard radio slaveThe three MH2050 Roadmax flash heads feature a 250W modeling light, user replaceable 2000W/s capacity flash tube, and an ideal color temperature of 5400KThe unique design of the light stands and umbrellas makes it fit comfortably into the travel case