This is an Original OEM Lenovo 45N0121 Fru PN: 45N0122 65W 20V 3.25A Notebook Ac Adapter. It is compatible with Lenovo ThinkPad laptops and is a black AC/Standard type adapter with a voltage of 20V and output current of 3.25A. It is also compatible with other Lenovo laptops and is made to meet California Prop 65 standards. This item does NOT contain any chemicals or materials specified in the California Prop 65 list.