Welch Allyn GS300 Green Series LED Examination Light The GS300 LED examination lamp from Welch Allyn combines intense light output, cool operation and a modern compact design. An affordable price and rugged performance make the GS300 ideal for general examinations in busy practices. Using a high-performance single white LED, the unit delivers a brighter light than halogen units, and also uses less energy. The long-lasting bulb delivers approximately 50,000 hours of use. Touchless controls reduce contact with the lamp thereby eliminating a possible cause of cross infection. The GS300 is available as a mobile version on a five caster base, or with a table or wall mounting. A rail mounting kit is available as an option. Features: Touchless controls reduce contact and maintain hygiene Easy assembly Long-lasting, low-energy LED light source 2 year guarantee Specifications: Working distance: 305 to 500mm Colour temperature: 5,500°K Light intensity: 20,000 lux (at working distance) Spot size: 130 to 150mm (at working distance) Reach: 79cm Stand height: 61cm (mobile version only)