Device Type: AC Power Adapter for ASUS Laptop Output: 19V, 1.75A, 33W Input: 100-240V AC, 50/60Hz (Universal) Connector Tip: 4.0mm x 1.35mm Barrel (Small Tip, Center Positive) Compatible Part Numbers: ADP-33AW, EXA1206CH, EXA1206EH, EXA1206UH, 0A001-00773000 Key Specs: ASUS 33W AC Adapter, 19V 1.75A Output, 4.0mm x 1.35mm Small Tip, 100-240V Universal Input, Replacement for ADP-33AW/EXA1206CH, Over-Voltage/Short-Circuit Protection Usage: Powering Compatible ASUS VivoBook, EeeBook, ZenBook, and Transformer Book Models Requiring 33W and a 4.0mm Barrel Connector