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These NTE 3 Watt High Power LEDs are brighter than standard incandescent and halogen light bulbs and are perfect for automotive, industrial, decorative lighting, architectural lighting, and hobby applications. Not only are they bright, they also consume a fraction of power making them extremely energy efficient. The high power LED is mounted onto an aluminum PCB heat sink to provide heat dissipation. Simply connect the large + and - pads on the heat sink to activate the LED.