LEDU L445WT Three-Way Incandescent/Fluorescent Clamp-On Lamp, 40" Reach, White LEDU L445WT Three-Way Incandescent/Fluorescent Clamp-On Lamp, 40" Reach, White UL Listed Manufacturer's three-year mechanical, one-year electrical warranty. Two-prong plug. Three-way switch for incandescent, fluorescent or both. Convenient positioning handle on shade. 40" reach swing arm. Clamps on up to 2" thick surfaces.