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Lithium sensor batteries, for example, can last three to five years. When they do run low, the system lets you know well in advance. Choose a controller with back up battery so the system will
stay active in the event of a power outage or if the Internet is down. If you will be installing smoke
alarms you’ll need the extra power of a 24 hour battery back up, not the 4 hour back up offered by many manufacturers. THE COST FOR SECURITY There are two costs to keep in mind when shopping for a home security system. The first is for the equipment and the installation, if you’re having it done by a professional.
Most of these costs include home security equipment such as security cameras, video doorbells and sensors. Your monthly home security cost can also include 24/7 professional monitoring services, security camera footage cloud storage and the ability to control your home security system using your security provider’s mobile app. You’ll be able to easily manage your smart lights, thermostat and other home security gadgets. Today, the best home security systems can range from $15. 99/mo. , or up to $54.