Equipped with 400 W light head containing 54 Bridgelux LEDs that produce 963 lm each, Model LM-15-5-4S-400W-LED delivers approximately 52,000 lm. Light boom extends to height of 15 ft, collapses to 5 ft, and rotates 360°. Mast is elevated to full height using included 600 lb hand winch with 3/16 in. galvanized cable. Light mast is typically mounted to trailers or other stable surfaces by 15 x 13 in., ¼ in. thick mounting baseplate which has been pre-drilled to accept six ¾ in. anchor bolts.