Please see http://h10032.www1.hp.com/ctg/Manual/c01422464.pdf for full user guide

Product #EN488AA

Dual display via a VGA port and DVI port

Works with HP 69x0p & nc6xx0 (not nc6000) model Laptops and many other HP Notebooks & Laptops
(Please see HP website to confirm your compatibility)

Features:

4 USB ports

RJ-45 LAN & RJ11 modem ports

VGA & DVI-D ports

PS/2 Keyboard & Mouse ports

3.5mm Audio In & Audio Out ports

Serial & Parallel ports

S-Video & composite out ports

In excellent condition (small amount of asset tag sticker reside below HP logo - See picture)