Visit security stores to examine the equipment available. Handle various floor models of different security options. Ask to see how they work.
Request a home consultation. Security companies often provide free home evaluations to discuss your home security needs. While the agent's goal might be to sell you a high-priced system, experiment with the products until you find one that suits your needs.
Take advantage of free trials offered. A trial period is an effective way of experimenting with various security options before owning a particular system.