Description

About the First Alert SA520B 120V Hardwired Wireless Interconnectable Smoke Alarm Looking to make an upgrade to your smoke alarms in your house? With the First Alert SA520B you’ll easily connect the alarm to a network of other smoke alarms wirelessly, saving you money and time because you only need one system to offer protection to your property. This 120V AC system can replace any standard fire alarm. When the First Alert SA520B is connected on a network the alarms communicate together so they provide you an earlier warning from potential danger. A single alarm works alone, even as the First Alert SA520B works with a community of alarms and will also be setup in minutes. This easy installation can save you money and keep you and your property protected. The First Alert SA520B will also be connected with other compatible alarms and you’ll create your network as extensive as you wish to have so it may be customized to fit any room design and shape. The white finish and quality design will last and protect you for many future years.