Device Type: AC Power Adapter for ASUS Netbook/Laptop Output: 19V, 2.1A, 40W Input: 100-240V AC, 50/60Hz (Universal) Connector Tip: 2.5mm x 0.7mm Barrel (Micro Pin) Compatible Part Numbers: ADP-40PH AB, AD6630, EXA0901HX, 90-XB02OAPW00100Q Key Specs: ASUS 40W AC Adapter, 19V 2.1A Output, 2.5mm x 0.7mm Micro Pin, 100-240V Universal Input, Replacement for ADP-40PH/AD6630, Over-Voltage/Short-Circuit Protection Usage: Powering Compatible ASUS Eee PC and Vintage Netbook Models Requiring 40W and a 2.5mm Barrel Connector