Osram hci ep 150 w830 wdl pb coated metal halide lamp with an e27 cap the lamp is a single ended discharge lamp with extremely high efficiency that provides a white crisp light due to powerball ceramic technology the lamp is mainly used in foyers shop interiors and windows pedestrian zones and public squares parks and gardens and also in street and outdoor lighting in suitable luminaires it has a very long life of up to 12 000 hours and is dimmable if used with suitable con