The perfect alarm is the most affordable and secure home security system to keep you and your family safe! It is a user-friendly device that does not require wires, tools, or experience to install. Simply peel off the self-adhesive backing and install it in the desired location. It can be used for multiple areas like doors, windows, medicine cabinets, gates, and more! It also comes with batteries included! Perfect alarm will give you peace of mind and will keep your loved ones safe.