door locks
Otherwise, you could end up
damaging your new equipment, your existing wiring, or creating a fire hazard if it is not installed properly. So unless you truly know what you’re doing, you should probably opt for professional installation, especially if your new security system will need to be hardwired. If you choose a DIY wireless security system, most on the market today are fairly intuitive and easy to install. And, many of them don’t require any special tools or knowledge to get the job done. Professional installation was practically the only way to put in a home security system 15
years ago. Technology has come such a long way that DIY systems can offer the same level of security and often more with a self installed system.