3W High Luminosity Power LED Stars – TruOpto OSM5XME3C1S, These power star LEDs are high luminosity modules that are mounted on an PCB substrate. Being more energy efficient than incandescent and most halogen lamps and available in a range of colours, including white and warm white, these LEDs are 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 OSM5XME3C1S 3W 3.3V Warm White Power LED Star 180lm