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.

Reviews Meross Smart Wi-Fi Garage Door Opener review: A budget price makes this system worth the setup hassles If you need a wired controller, Meross’ option should be on your shopping list.

The best home security systems are 1. SimpliSafe, 2. Ring, 3. Abode, 4. Arlo, 5. ADT and 6. Vivint. They include sensors, detectors, cameras and more.