Round, white HB 505 LED ceiling light for wide-area general lighting, selectable colour temperature Thanks to its neutral design and colour temperature that can be adjusted before installation, the HB 505 LED surface-mounted light is particularly versatile. It has a round form and an opal polycarbonate diffuser, whose wide light distribution enables wide-area general lighting. At 3,000 K, for example, HB 505 is more suitable for lounges and reception areas, while at 4,000 K it is more suitable for storage and work areas - Light colour can be set in two stages before installation: Warm white (default setting), universal white - Quick-mounting adapter made of galvanised sheet steel, with fixing screws - Also suitable for wall mounting - Impact resistance: IK06 - Ambient temperature during operation: - 20 °C to + 40 °C - With integrated ballast