12V 48W Dimmable CV DC LED Driver ETL (UL) approved Input range from 100~120V AC, 50-60Hz, Pf&gt; 0.95 Magnetic Dimmable DC Output: 12V, 4000mA (48W), Class 2 Power Supply Dimmable, Suitable for Leading Edge or Trailing Edge TRIAC dimmers Protection: Short-Circuit / Over Current / Over Voltage and Auto-recovery Mode Compact, lightweight plastic case.