IONIZATION DIRECT WIRE AC/DC SMOKE AND CARBON MONOXIDE ALARM (601271)

120V AC with 9V battery backup
Separate smoke and CO visual and audible indication
Smart 3-wire interconnect sends unique signals for smoke and CO on one interconnect wire
Alarm latch indication automatically identifies and remembers which unit in an interconnected series initiated the alarm
Low battery silence temporarily silences the low battery chirp for up to 8 hours
Single button testsilence
Compatible with BRK smoke and CO alarms
7-YEAR LIMITED WARRANTY