Wave+Plus 5D Magnifiers - the industry's first 5-diopter true rectangular lensed magnifier. These magnifiers feature a 5-diopter (2.25X) lens with a 8” focal length and a 6.75” x 4.5” distortion-free viewing area. Two 13-watt compact fluorescent lamps with individual lamp switching. Blue indicator lights are located on either side of the magnifier head. UL/CUL listed. Standard or ESD-Safe models available.