The Welch Allyn Green Series Medical Exam lights provide a whiter, brighter and greener light than ever before, improving patient exams while also reducing environmental impact and lowering cost of ownership. The state-of-the-art LEDs never require replacement and enable true tissue colour rendition. Ideal for any in-office exam, the GS 300 delivers rugged performance at an affordable price. Features: One LED. Intense light output. Cool operation. Compact design. Over 50,000 hours of bulb life. A brighter, whiter light than halogen. Touchless on/off. Easy assembly through universal stand and connection point. Physical Dimensions: Weight: Total Table/Wall Mount: 2.4 kg Control Box: Height: 10.83 in (27.5 cm) Width: 3.94 in (10.0 cm) Depth: 3.15 in (8.0 cm) Focusing Sleeve: Length: 5.16 in (13.1 cm) Diameter: 1.58 in (4 cm). Mobile Stand: Height: 24.02 in (61 cm) Diameter: 20.87 in (53 cm). Total Wall Mount: 47.24 in (120.0 cm). Total Mobile Stand: 60.24 in (153.0 cm). Table/Wall and Mobile Stand to Luminaire Center: 49.61 in (126 cm).