WE-EF / 134-2000 IO-180-DAC120-LED Broadens light distribution in one plane only. Ideally suitable for [M] [VN] [VNS]. Internal component, factory installed. Description: Broadens light distribution in one plane only. Ideally suitable for [M] [VN] [VNS]. Does not fit in combination with [W] lens. A maximum of one internal optical accessory. Internal component, factory installed. Specifications: C1: 4.05