MAGNADESK Battery Powered Magnifier LED Lamp With Flexible Neck & Rimless, Acrylic,3X - 4.5X Lens: MG-14749 3.5" Diameter Rimless Lens 3x And 4.5x Power 7" Flexible Neck, 2 Led Bulbs Balanced Base, 4" X 5.75" Needs 4 Lr1130 Batteries (included)