Special Features: Features: Ac-Wire With Battery Backup Powered by Home S Electricity in Order to Provide Continuous Protection. an Included 9v Battery Protects During Short-Term Power Outages;Front-Loading Battery Speeds Up Replacement by Eliminating the Need to Remove the
Included: 9 Vdc Backup Battery, Talking Alarm, Quick Connect Plug and 8 in Pigtails
Standard: Ul 2034, Ul 217, Nfpa 72, (Chapter 11 2002 Edition) the State of California Fire Marshall, Nfpa 101 (One and Two Family Dwellings), Federal Housing Authority (Fha), Housing and Urban Development (Hud)