Battery Operated Photoelectric Smoke Alarm

The Rely Model 4500 is a battery operated smoke alarm designed for single and multifamily residential use, as well as hospitality, and institutional applications as defined by NFPA 101. The 4500 complies with UL 217 9th Edition, and NFPA 72 requirements. The Rely 4500 smoke alarm ...The Rely Model 4500 is a battery operated smoke alarm designed for single and multifamily residential use, as well as hospitality, and institutional applications as defined by NFPA 101.

The 4500 complies with UL 217 9th Edition, and NFPA 72 requirements. The Rely 4500 smoke alarm has a ten year service life and is powered by a 9 volt battery that ensures continuous power to the alarm.