The Wave Plus features a unique and powerful 3.5 diopter magnifier which is superior in both its function and form. This 3.5 diopter fluorescent magnifier has a focal length of 13" (33 cm). The Wave Plus incorporates two independent 13-watt fluorescent light bulbs which offer 30% more intensity and give enhanced optical performance during examinations. These extremely bright bulbs have an average bulb life of 10,000 hours. With a sleek design, the Wave Plus has a 'quick start' switch and ballast to activate the bulbs. The new 'no drift' articulating K-Arm measures 41" (105 cm) and enables complete freedom of movement to be achieved. The Wave Plus is supplied with a one year limited warranty.