BTR 128 WR T5 Asymmetric Batten Type Luminaire 1x28w Housing High quality cold-rolled steel housing of thickness Reflector Powderpainted sheel sheet reflector. Optional : 99.85% high purity anodized aluminium reflector Lamp Holder Heavy duty rotary-locked type (G5) lamp holder (TIS.344-1987 Standard) other lamp holder typs are available Waterproof type lamp holder = WP Wire Cable THW 1.0 sq.mm. 70'C (TIS.11-1988 Standard) IP Rating IP20 Installation suitable for general wall mounting purpose with asymestry light distribution