<ul class="rows">
<li>H.264</li>
<li>4-channel combo 18 fps at 3 MP, 15 fps at 4 MP, 12 fps at 5 MP</li>
<li>4-channel combo 1080p / 720p and analog 960H / D1 real-time video</li>
<li>12V DC</li>
<li>Tampering alarm</li>
<li>USB HDD Storage</li>
<li>Support UMTS / 3G / 3.5G / 4G</li>
<li>Automatic switch between WiFi and 3G / 4G</li>
<li>Support over 50 PTZ models</li>
<li>Support 29 languages on Web interface</li>
<li>HD-TVI (1.0 / 2.0 standard) / HD-AHD</li>
<li>ONVIF (Profile S) conformant</li>
</ul>
<p><strong>Note:</strong></p>
<ul>
<li>The GV‐HD Video Encoder cannot work with microphones that acquire power from the unit. Use microphones that have external     power supply.</li>
<li>GV-VS2401 supports 1 external hard disk (2.5"or 3.5") with up to 8 TB capacities.</li>
<li>It is not recommended to use the flash USB drive with GV-VS2401 because of its slow read and write speed.</li>
<li>When transmitting video signals over a long distance, it is highly recommended to use 5C-FB coaxial cables or above to   minimize the degradation of image quality. The transmission distance should be within 300 m (984 ft).</li>
<li>Product design and specifications are subject to change without notice.</li>
</ul>
