<p>Key Features:</p>
<ul>
<li>OS Supported
<ul>
<li>32?bit: Windows XP / Vista / 7 / 8 / 8.1 / 10 / Server 2008</li>
<li>64?bit: Windows 7 / 8 / 8.1 / 10 / Server 2008 / Server 2012 / Server 2012 R2</li>
</ul>
</li>
<li>Input
<ul>
<li>Input:4</li>
<li>Input Signal
<ul>
<li>Dry?Contact</li>
<li>Wet?Contact : 9~30V AC/DC</li>
</ul>
</li>
</ul>
</li>
<li>Output
<ul>
<li>Relay Output: 4</li>
<li>Relay Status: Normal Open</li>
<li>Relay Capacitance
<ul>
<li>USB Connection: 30V DC, 3A</li>
<li>RS?232 Connection:
<ul>
<li>25 / 250V AC, 3A</li>
<li>30V DC, 3A</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li>Interface
<ul>
<li>RJ?11 to DB9</li>
<li>RJ?11 to USB</li>
<li>3?pin internal USB to internal USB</li>
</ul>
</li>
<li>Mode Switch
<ul>
<li>I/O Box Mode: Without GV?Video Capture Card</li>
<li>NET/IO Card Mode: With GV?Video Capture Card</li>
</ul>
</li>
<li>Address 1?4</li>
<li>Communication: RS?485, USB, RS?232</li>
<li>Environmental Conditions: 0~50°C / 32~122°F , 5%~95% (non?condensing)</li>
<li>Dimensions (W x H): 90 x 99 ( mm) / 3.90 x 3.54 (in)</li>
</ul>