The Code One AD 1018 Series Ionization Smoke Alarm is a high-quality fire protection equipment designed to ensure the safety of businesses and industrial facilities. Made in the United States, this smoke detector comes with a battery backup for added convenience. With its reliable brand name and proven model, the Code One AD 1018 Series provides peace of mind knowing that your property is protected in case of a fire emergency. This unit is a must-have for any establishment looking to maintain a safe and secure environment.