This is an NSI/Leviton Broad-Lite. It does what its name implies -- spreads tungsten light over a broad area. It accepts bulbs of different wattages and voltages to a maximum of 1000 watts. Its integral two leaf barndoor set aids in controlling light spill.
When fitted with a 1000 watt bulb (available separately, this fixture will provide 44 footcandles 38' (17.1 m) in diameter from a distance of 20' (9 m). For more illumination specs, click on "More Images".
NSI / Leviton
Broad-Lite with C-Clamp - 1000 Watts (120-240VAC)
3' 3 Wire Lead, no plug
One Year Manufacturer's Warranty
Note:Bulb not included