This is a B&H 2 Monolight, 800 W/s kit that includes white umbrellas, air cushioned light stands and a kit case.
The ML400R accepts over 100 Norman accessories and light modifiers including softboxes, reflectors, grids, snoots and barn doors, using the included R9113 Adapter Rings.
A digital readout displays accurate, repeatable settings up to 400 watt-seconds in 1/10 stop increments. It recycles in 1.5 seconds @ full power.