For those looking to ditch their overpriced security systems via XFINITY and AT&T, this deal may be of interest... Yi Technology via Amazon has 4-Pack Yi Home 720p Wireless IP Cameras (White) for $118.99 - $14 w/ promotional code 6ZKY83CN = $104.99. Shipping is free. That's a pretty awesome deal on 4 cameras for the DIY'er. Paired with a program like iSpy, [...]The post 4 PC Home Wireless Security System w/Night Vision appeared first on square innovations.