E40 100w 150w 250w metal steam bulb mastercolor cdm tt plus clear philipsmetal halogen steam bulb with ceramic burneradvantages upgrading of son installations with white light for city beautification through a decrease of output the energy consumption can be reducedcharacteristics robust energy efficient bulb with long lifespan 11 replaceable with son bulbs good colour reproduction and warm white colour temperature plus version with increased light currentusage outdoor lighting