The Nest Secure Alarm System is teh perfect way for you to protect your home, without paying for an expensive traditional system. The keypad lets you easily arm and disarm the system, and even comes with key fobs so you done even need to use your code. It can detect motion in the room as well as door and windows being opened. Its smart and will remind you if you leave home without arming the system, and can easily be paused if you need to let the dog out. With a Nest smart lock, you can even disarm the system by simply ulocking your front door with a code.