The Trimline Plus "Hi Lo" provides two light intensities per 14 x 17 viewing area--at the push of a button! On "high" 7250 Candela (6 bulbs), or on "low" 5150 Candela (4 bulbs). The Trimline Plus Hi Lo features a 3-1/4 deep cabinet with a baked-on white polyester powder finish, a roller grip film retainer, an 8? power cord with hospital-grade plug, film-activated auto switches (the illuminator goes on automatically when film is inserted) and cluster switches, on 2 over 2 units and up.