We also wanted a glass-break sensor, which detects the frequency of glass breaking even if a window or door isn’t opened.

A huge variety of additional devices are available, including a new and more capable indoor camera ($140), and an outdoor camera ($190), a glass-break sensor ($35), and a freeze sensor ($30).

You can easily add new sensors to an existing SimpliSafe system. In fact, the process can be done using a phone or the SimpliSafe Keypad. Here's how it works.

With the help of a new camera, SimpliSafe “24/7 Live Guard” should help to deter crime during a break-in event.

A few weeks ago, someone attempted a break-in at my house in the middle of the night. For the first time, my family realized we needed a security system — immediately.

We also wanted a glass-break sensor, which detects the frequency of glass breaking even if a window or door isn’t opened.

We also wanted a glass-break sensor, which detects the frequency of glass breaking even if a window or door isn’t opened. 2. No ongoing fees or contract Because we have pets that don’t leave ...