TPI's Fluorescent Lighthead FL1 uses compact, low energy use, long life 55 Watt bulbs. 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 FL1 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 are included with each light head.