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Security cameras that send a signal to our wireless network, that can display on our computers, do they exist?

We recently had a break in to our apartment. We want some security cameras for the house, but we aren't looking for anyhing high end. I have no experience in the security field, but I was thinking we'd build a medium quality computer, to be on our wireless network, and hoping there's wireless cameras out there, that can sent a signal to our wireless network, that all our computers could pick up and display.

Anyone know where I can find them? I don't really know what to search for, I've tried

“wireless security camera”
“Wireless network security camera”

Thanks in advance.

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