1W High Luminosity Power LED Stars – TruOpto OSW4XME1C1S, 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. (May require an additional heat sink, depending on application). TruOpto OSW4XME1C1S 1W 3.3V White Power LED Star 100lm