Metallic LED wall lamp Stiff TW with touch dimmer and adjustable light colour Visually and functionally, the LED wall luminaire Stiff TW presents itself as a modern light source for living rooms and lounges. The long, curved light element has a satin acrylic cover. It can be rotated so that it is either flush or crossed in front of the wall mount. It can be mounted in a vertical or horizontal orientation. The light output can be continuously adjusted via the pushbutton attached to the frame. In addition, the colour temperature can be adjusted to 2,700 K, 3,350 K or 4,000 K in three stages.