Product introduction
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VM321/VM351 is a video and audio monitor which consists of one parent unit
(VM321 PU/VM351 PU) and one baby unit (VM321 BU/VM351 BU).
VM321-2/VM351-2 is a video and audio monitor which consists of one
parent unit (VM321-2 PU/VM351-2 PU) and two baby units (VM321-2 BU/
VM351-2 BU).
The parent unit may be shipped with a protective sticker covering the display.
Remove the protective sticker before use.