Solid plastic, lightweight construction. For desk or wall mounting. “Instant on” blast: quick on/off without light flicker. Sturdy on/off switch built into the unit: years of trouble-free use. Quick-release feature: easy removal of viewing plate to replace light bulb. Uniform illumination: optimum film viewing; accommodates a full series (up to 18) of intraoral film, as well as panoramic film. White plastic finish: easy to clean and fits into any office decor. 13-1/2" x 5" viewing area. Overall frame: 15" x 6-1/2" x 2". 1-year warranty.