Investing in a home security system can put your mind at ease that you will have additional protection against most threats. Before you decide on a security system, there are several features you should consider. Remote Audio And Visual Monitoring One of the major advantages of remote audio and visual monitoring is you may be able to thwart a potential intruder, or at least have a description for police. Some home security systems send you an alert if there is movement on your property and/or someone rings the doorbell.