To benefit from the support that VTech offers, follow the walkthroughs below to locate the appropriate manuals and helps.
<br /><br />

<img src="vm991-pu-sn.png" 
style="float:right;width:50%"/>

How to check the serial number of your HD video monitor?<br />
<ul>
<li>Look for the white label with the serial number on the back of your parent unit.</li>
<li>The serial number consists of 11 characters.<br />
<strong>S/N: XXXXXXXXXXX</strong></li>
</ul>
<br />

<u>Parent units with serial numbers starting with "2P"</u><br />

<a href="VM991_IG_V8_20180817.pdf" target="_blank">
VM991 Installation guide
</a><br />

<a href="VM991_QSG_V6_20180817.pdf" target="_blank">
VM991 Quick start guide
</a><br />

<a href="https://www.vtechphones.com/manual/vm991/pu" target="_blank">
VM991 Parent unit app manual
</a><br />

<a href="https://www.vtechphones.com/manual/vm991/mobile" target="_blank">
VM991 Mobile app manual
</a><br />

<a href="VM991_II_V4_20180816.pdf" target="_blank">
VM991 Important safety instructions
</a><br />
<br />

<u>Parent units with other serial numbers</u><br />

<a href="VM991_IG_V7_20171031.pdf" target="_blank">
VM991 Installation guide
</a><br />

<a href="VM991_QSG_V5_20171031.pdf" target="_blank">
VM991 Quick start guide
</a><br />

<a href="https://www.vtechphones.com/wireless-monitoring/mvb/vm991/viewer/guides/interactive/en" target="_blank">
VM991 Parent unit app manual
</a><br />

<a href="https://www.vtechphones.com/wireless-monitoring/mvb/vm991/mobile/guides/interactive/en" target="_blank">
VM991 Mobile app manual
</a><br />

<a href="VM991_II_V3a_20180809.pdf" target="_blank">
VM991 Important safety instructions
</a><br />