This ingenious design delivers outstanding illumination. Ideal for, ERs, trauma centers, sergicenters, birthing rooms, LDRs, cath labs, dermatology, plastic surgery and ophthalmology, 4000 degree K colortemperature provides pure white illumination while the patented heat filter assures cool, safe operation. 20 diameter light head delivers a 4-8 spot size with continuous dimming functionality. Autoclavable handle provides focus adjustment. 360 degree limitless arm and mounting system rotation around vertical axis. Features include: 7500 foot-candles (81,000 lux) at 1 meter; 99 CRI (color rendering index); 2000 hour average bulb life. Five year limited warranty.