A simple doorbell camera is affordable and simple to install. Security system technology installation has become easier than ever. Most systems are completely wireless and only require very basic skills to install. Some devices still need to be hardwired into your system to be able to draw power, but that’s still fairly a simple task. Fortunately, there are solar-powered units and battery-powered units that have a lifespan of several months before needing a recharge. If you really want to get fancy, you might want to secure your hardware with a few screws. That’s about as difficult as it needs to get.