Comprehensive DIY security

Oplink Security's $349.99 TripleShield package includes a motion detector, a panic siren, two open/closed contact sensors, two keychain remotes, two wireless cameras, and the OPU router that controls all of it over Wi-Fi. If you don't want the cameras, you can save $150 and go with the $199.99 AlarmShield package.
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The brains of the Op-eration

The OPU control device plugs into your home router, then manages your security system over Wi-Fi.
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Monitor your doors and windows

Oplink's open/closed contact sensors attach easily to doors and windows, and will alert you if someone ever tries to come in.
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Security in motion

The included motion detector will trigger the alarm if it sees anyone sneaking in front of it.
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Don't panic -- that's the siren's job

You can place the panic siren wherever you'd like -- you'll need to be able to plug it in, though.
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Smart surveillance

Oplink's cameras are easy to install and work over Wi-Fi.
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See in the dark

When the lights go out, Oplink's cameras automatically go into night-vision mode (and automatically make you look like a creep).
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Controls on your keychain

Along with in-app controls on your smartphone, you'll be able to arm and disarm your system remotely using one of the two keychain remotes that come with the system.
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The smart app has your back

Your smartphone will alert you immediately if the alarm is triggered, even if the Oplink app isn't running.
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Here's the catch

Unlike the fee-free iSmartAlarm, Oplink charges $19.99 a month to use the TripleShield package. The camera-less AlarmShield package is cheaper, at $9.99 per month.
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