A quad is an accessory to your surveillance system that splits a video monitor into 4 screens. Without a quad you would only be able view one camera at a time. You would only need to use a quad when you are using more than one camera and using a VCR or VISEC to record, or when you are only monitoring and not recording at all.

The quad we carry is a superior quality high resolution real time quad that supports up to 4 cameras. You also have the ability to playback and zoom in on recorded video.

There are other products out there that can split a screen more than four ways. However, the quality of the video worsens the more ways you split a screen.

A quad is not needed when using a DVR to record because DVRs have a built-in quad.

Features include:
- Full duplex allows transfer of recording and playback video at the same time.
- 2x2 zoom
- 60 frames per second
- Real time clock
- Title generator
- On-screen display
- No boarder for full quad display
- 2H adaptive comb filters for Y/C separation
4 Channel Color Quad:

QD-904R: $120.00 Color 4 Channel Quad