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A smart home security system is a set of internet-connected security gadgets, which typically include a combination of wireless security cameras, sirens, motion detectors, door locks, and sensors that detect when a door or window has been opened.

The specific gadgets bundled together to make a security system vary between the different kits and brands, but most manufacturers offer a range of different kits, plus the option to buy additional compatible gadgets separately.

All smart home security systems are driven by a central internet-connected ‘hub’, which wirelessly connects to and communicates with a smartphone app and the other components of the system.

Using the app on your smartphone or tablet, you can monitor your home by receiving alerts, viewing photos or video footage taken by a security camera and, in some cases, control bits of your home such as lighting, heating or appliances.