1w high luminosity power led stars truopto osb5xme1c1s this power star led is a high luminosity module that is mounted on an pcb substrate being more energy efficient than incandescent and most halogen lamps this led is ideal for a wide range of applications including electronic signs and signals small area illumination back lighting and other lighting bollards security and garden uses traffic signalling and beacons truopto osb5xme1c1s 1w 33v blue power led star 15lm