A special feature of this desk lamp is that the colour temperature can be infinitely adjusted between 3100 and 6500 Kelvin. Furthermore, the intensity can be adjusted in 4 stages. High quality for a reasonable price. Extremely economical: 80% less energy consumption compared to an incandescent lamp. Aluminium arm and shade, matt. technical safety concept made by MAUL. Operation on the base of the lamp. 18 SMD LEDs: 9 warm white (3100 Kelvin) and 9 daylight white (6500 Kelvin). The LEDs that cannot be replaced are integrated in the luminaire. Service life of the LEDs: 20,000 hours. Energy efficiency class. Extremely low energy consumption of 7 watt. Weighted energy consumption 7 kWh/1000h. Luminous intensity 1340 Lux at 35 cm distance, luminous flux 370 lumen. Arm length 40 cm. Height in normal working position 47,5 cm. Lampshade, 15x7,9 cm, 270° rotatable and 130° tiltable. Stable base, 19,5x14,7 cm, weighted and with worktop protective layer. Environmentally friendly and safe packaging