Décor Walther Wall lamp BOOK 90 LED Dimensions (H . B . T) 4.5 x 90 x 11.5cm Information: adjustable light output with phase reduction regulator Tech. Info LED 23.4W 220-240V Bulb included Lumen3978 Kelvin3000 RA / CRI80 kWh/1000 Std.26 Service life in hours:80000 Energy class: This product contains a light source of energy efficiency class D.