The FireX Smoke Alarm #4003 is a new in package smoke alarm designed for low traffic areas. It features a white color and a 5.6 inch diameter, making it easy to install. With a battery backup feature and digital smart home protocol, this smoke alarm provides reliable protection for your home. Manufactured in 2002 by the trusted brand Firex, this smoke alarm weighs 1 pound and comes with a single battery included. Ideal for home security and peace of mind, this smoke alarm is a essential component for any home improvement project related to home security.