Connector Type: Barrel Connector Wattage: 45 Watts Power Source: Corded Electric Current Rating: 1.5 Amps Frequency Range: 60 Hertz Output Voltage: 20 Volts New Global 20V Ac / Dc Adapter Compatible With Xing Yuan Electronics Co. Ltd Xy-2001500-U Xy-2001500U Xy2001500-U Xy2001500u Xingyuan Led Fish Tank Light 20Vdc 1500Ma Dc20v 1.5A - 2.25A 30W - 45W 20.0V Class 2 Power Units Power Supply Cord Cable Charger Mains Psu (W/ Barrel Round Plug Tip. Not 2 Prong Connector. Please Check For Compatibility With Your Unit. Thanks.)