TPI's Cart Fluorescent Portable Utility Light CFL1 uses compact, low energy use, long life 55 Watt bulbs. The cart base includes 10" diameter wheels and is constructed of 16 gauge round steel tubing with an adjustable height of 5' to 8' high. Chip resistant safety yellow and black powder coated finish is durable and makes it easily visible. A 9-3/8" long 7-3/4" diameter aluminum shade swivels 300 degrees horizontally and 210 degrees vertically while remaining cool to the touch. The CFL1 is ETL C/US listed for indoor applications only. A bulb, internal reflector for maximum illumination at shorter distances, an on / off switch and wire guard with each light head.