Smart home tech is becoming increasingly DIY, and home security is no different. And if you don't have the time to wait on someone to come to your home or just don't like the idea of a tech making a house call, Xfinity may have an answer -- self-installed home security.

Similar to what ADT announced earlier this year, Xfinity has now rolled out anew line of home security products that customers can install totally on their own.

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Two new sensors are a part of Xfinity's offerings, including a door or window sensor for$20 each (or$54 for a three-pack) and a motion sensor for$40.

The door and window sensors function like most home security systems -- a small plastic tab sits on the edge of a door or window and a slightly larger (but still small) sensor sits on the sill beside it. When the sensors are separated, the system knows they've been opened and an alert is sent. Xfinity didn't offer up any details on how the sensors are attached, but in my experience with similar products, it's been strong 3M tape.

The motion sensor works much the same as in any security system, but it has the advantage of being wire-free, meaning you have more flexibility in where you can place it. 

For now, purchase is only available by calling 1-800-Xfinity orthrough an actual Xfinity store . Online purchase is coming in the next few months, the company says.

Monitoring happens through the Xfinity app, where users have the option to turn alerts on or off, and rules can be set for when alerts are sent. Xfinity claims the motion sensor can detect the difference between people and animals, so you won't get a notification every time your dog wanders into view.

The sensors do need to be paired with Xfinity'sSelf Protection service , which runs$10 a month, but includes the option to purchase cameras, doorbells, locks, lighting, and othersecurity products . 

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