There are a lot of “baby cams” on the market, offering many ways to keep watch over your child when you are out of the room. One great choice was first designed as a general-purpose surveillance camera, not a parental device — and so it may deliver more features at a less boutique-y price.

The Dropcam is a $150 HD-resolution camera that sends a WiFi signal you can see and hear on your smartphone, or over the Web on a computer.
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