Huion DC Power Adapter Wall Charger for Huion A2 A3 A4 Light Boxes (Huion Adapter) DC adapter for Huion A2 A3 A4 Light Boxes Working Voltage: DC12V/1000MA Cable Length: 47.24 inches INPUT: 100-240V/0.5A Does NOT work with the Huion L4S LB4 A3-USB light pad.