Optimal and uniform illumination of the keyboard and work area, width 80 cm. Daylight sensor: adjusts brightness to ambient light. Convenient: automatic shut-off after 2 hours, can be turned off. Replaceable light source and control unit. Recyclable packaging. Light intensity: 1,780 lux at a distance of 45 cm. Color temperature per light source: number of light sources: 3,000 Kelvin (warm white) - 6,500 Kelvin (daylight white). Energy efficiency class per light source: E (spectrum A to G). Weighted energy consumption per light source: 14 kWh/1000 h. L70B50 lifetime per light source: 50,000 h. Useful luminous flux per light source: 1,800 lumens. Dimensions: Height: 8 cm - base: clamping width: 1.5 - 8.7 cm. Switch location: lamp head. Warranty: 2 years.