The product delivers stable energy-efficient, low-voltage power to any LED lighting installation. The constant voltage LED driver is designed using high-performance, professional-grade electronics that provide stable and efficient low-voltage power. The power supply is rated up to 12 watts at 12 volts. No minimum load is required. Plug-in or hardwire with a detachable AC power cord. Not compatible with 120V AC dimmers. For best results use Armacost Lighting LED products.