This is a Genuine Original Sony PEGA-AC12 Power supply Charger Adapter, Sony PEGA-AC12 Power supply Charger Adapter.  This comes with the adapter, AC plug and adapter that plugs into the Sony PDA.  This model works with the following models;

Sony CLIE PEG-NR Series models
Sony CLIE PEG-NX Series models
Sony CLIE PEG-NZ Series models
Sony CLIE PEG-SJ Series models
Sony CLIE PEG-SL Series models
Sony CLIE PEG-T Series models
Sony CLIE PEG-TH Series models
Sony CLIE PEG-UX Series models

Input: 100-240VAC ~50/60Hz 0.26A
Output: 5.2 VDC 2000 mA