Surgical Lights Up to 13,000 footcandles (140,000 Lux) at 24" (61 cm) and 5000 footcandles (54,000 Lux) at 1 meter. Up to 4300° K color temperature. Variable intensity settings and high intensity switch. Variable spot size of 2"-10" (5-25cm). New, improved design w/SteriHandle™. Removable, autoclavable center SteriHandle™ design. 150-watt halogen bulb provides 400 hr. average bulb life on standard setting. Friction knob allows user to position self-balancing arm without a tool for drift-free positioning. Floorstand units include footswitch, locking casters and cord wrap. Mounting systems meet California Seismic Codes. 115V model standard, 230V models also available. 5-year warranty. UL 60601-1/60601-2-41 certified