The FireX Smoke Alarm #4003 is a new in package smoke alarm perfect for low traffic areas in your home. It is battery-operated with a 1-year manufacturer warranty and features a battery backup system for continuous protection. With its sleek white design and compact size (5.6-inch diameter, 1.8-inch depth), this smoke alarm is easy to install and provides peace of mind for your home security needs. The FireX brand is known for producing reliable and trustworthy fire safety products, making this smoke alarm a valuable addition to any home.