System Two S1 (Halogen Series) is designed for outstanding performance, our "satellite" System Two 16" halogen surgery light has features that are useful in a variety of surgery and operating room settings. Features Include: 72,000 lux (9,500 ft candles) output at 1 meter distance Over 4,000º Kelvin color temperature Fully adjustable light pattern Durable ceiling casting for optimum stability, balance and function 360º rotational contacts at all key points Electronic touch controls for on/off and dimming Removable sterilizable handle Reserve bulb with auto-switchover, in case of primary bulb failure Advanced suspension arm design, providing smooth extensive coverage Unique curved facial lens design Available in several configurations, including our video camera and monitor arm options.