EYE Cera Arc Pure Whiteâ„¢ ceramic metal halide lamps, paired with either traditional core and coil magnetic or electronic ballasts, are the perfect combination for new or retrofit installations in industrial high bays and low bays, retail applications, street and area lighting, and decorative post tops. Benefits Include: Energy Savings (lower operational costs). Utility Rebates (shorten R.O.I.). Maintenance Cost Reduction (longer system life). Improved Light Quality (better color rendering). Enhanced Safety Security (higher lumen maintenance). Environmentally Responsible (retain fixtures). Controllability (motion sensing and dimming).