The XCEL 400 Slit Lamp has a traditional design and provides outstanding optical performance. With its high quality and innovative features it is comparable with the world's elite yet is available at an affordable price. Constructed from robust materials, this durable yet elegant device features a feather-touch XYZ joystick and convenient controls for ease of use. The XCEL 400 has a 3 step magnification rotation and magnification levels of 10x, 16x and 25x. It includes heat absorbing, natural density, red free and cobalt blue filters. It operates at 110-220 VAC and has a frequency of 50/60 Hz, with a 6V 20W halogen illumination.