Continuously dimmable 84 LEDs, 6500 kelvin, daylight white 20,000 hour LED life span Weighted energy consumption: 17 kWh/1000h Lamp head: approx. 25.5 x 26 cm, tilts and rotates 2840 lux brightness at a distance of 35 cm, 1250 lumens Arm length: 39 cm (lower), 44 cm (upper), 42 cm high in regular position 3 dioptre glass lens (magnification factor 1.75) 17.8 x 13.2 cm (7" x 5.2") Double use: magnifying glass and desk luminaire Flap protects from dust and from sunshine exposure 3 sector switch (42 LEDs left, 42 LEDs right, all 84 LEDs) built into the luminaire head for easy use Incl. LEDs which cannot be replaced. 360° rotating metal arm All switches are on the lamp head for easy use Fastening clamp made of metal (clamp width: 6.3 cm