A good home security system is made up of a variety of monitors and alarms. While video cameras play an important role in protecting your home, they aren't the only form of security you should have. Here's a look at some other features you may want in your security system. Disaster Monitors Your home should be protected from disasters as well as intruders. Some alarms you may want to include are smoke detectors, heat sensors, a carbon monoxide monitor, a temperature monitor, and a water detecting device.