12V DC Power Supply Input: 100V-120V 50/60Hz, Output Voltage: DC 12 Volt (constant voltage), DC Terminal Connector: 5.5mm x 2.1mm 36 Watt Driver Output: Max 3A Current, Max 36W Wattage Safety Features: Full safety shut off protection in case of lighting overload, open circuit, short circuit, overtemperature or other fault Voltage Consistency: Voltage output is stable does not fluctuate during use Broad Compatibility: Can be used for multiple applications with compatible with the voltage, barrel size, and polarity: including LED strip lights, LED puck lights, speakers, cameras, audio amplifier, cable boxes, alarm clocks, printers, routers, DVD players, baby monitors, etc.