Allows compliance with the Building Regulations 2006 Approved Document L1A/B requiring the use of energy efficient luminaires in dwellings . High output, energy efficient, compact metal halide lamp for general lighting. Suitable for display lighting, shops, offices, showrooms, hotels, etc.. Non-dimmable. Electronic control gear not included . Please note: Metal-halide lamps have a warm-up/re-strike time <5minutes. Therefore these should be used in conjunction with other luminaires that will provide sufficient lighting until the metal-halides reach their full brightness