Quality, Value, Experience from Trusted UK Seller The Q-LINE WALL wall light is optionally available with a white, black or silver-grey painted lamp housing and fitted with matching end caps. A diffuser made of acrylic glass found underneath provides glare-free lighting properties. The Q-LINE is equipped with a warm-white LED module and is the ultimate LED solution for primary room lighting thanks to its 3800lm of LED output. This luminaire is compatible with bulbs in energy classes: A - A++