Powered by 3,500 Va generator, Model WAL-ML-3XM-3G provides over 300,000 lm for up to 5 hours on single tank of gas and is capable of illuminating approximately 3 acres of area effectively. Portable lighting system is comprised of 3 adjustable light heads mounted atop telescoping mini tower that is attached to wheeled cart base. Constructed of heavy gauge steel with powder coat finish for rust and corrosion protection, tower can be extended to 12 ft and collapsed to 7 ft.