By Heather Burlingame, Senior Production Editor | September 28, 2010

Genie light towerTrailer-mounted light towers feature a tilt-actuating system, which allows the user to vertically aim the four lamp fixtures from the ground. Tower rotation of 360 degrees also provides lamp-aiming capability. Horizontally mounted metal-halide lamps produce greater light output than vertically mounted bulbs, says Genie. The TML-4000N has a narrow 55-inch width; the TML-4000 has a 70-inch width.