Dynex DX-HB4PT

Overview
The box and QSG in the box also have a copyright year of 2010.

The power adapter included with the device would appear to be a Dynex or CyberPower branded CPSA0521 (100-240VAC ~ 50/60Hz, 0.6A -> 5VDC 2.1A).

Links of Interest

 * QSG (copyright 2010)