Featuring 3 LEDs and a wider head, the GS 600 is designed specifically for demanding viewing conditions. Whiter, brighter, and greener: 3 white LEDs offer greater intensity. Other features include touchless power controls and an adjustable light output. It also has a disposable sheath available to help reduce the risk of infection due to cross contamination. Rugged, ergonomic design allows for improved performance and long-lasting durability. Low cost of ownership due to elimination of bulb replacement and lower energy consumption. 5-year limited warranty to include the LED light source and power supply only.