BRK Electronics 3120B 120V AC Photo/Ion Smoke Alarm w/Battery Backup - 3 Pack NGY52_R5361

Product details:

Hardwired Photo/Ion smoke alarm provides double protection for both flaming and smoldering fires. - Utilizes both ionization and photoelectric smoke sensors for maximum protection - Two Latching Features - Alarm Latch and Low Battery Latch - Two Silence Features - Alarm Silence and Low Battery Silence - Two AA Battery Backup - Tech Specs - Alarm Dimensions: 5.0" dia x 2.0"HWeight: 9.5 oz - Operating Voltage: 120V AC 60Hz with two 1.5V AA battery backup - Operating Current: 0.07 amps (standby/alarm)Temperature Range: 40F (4C) to 100F (38C)Humidity Range: 10% to 95% relative humidity (RH)Audio Alarm: 85d - B at 10 feet - Test/Silence: Electronically simulates smoke condition, causing the unitto alarm. Press and hold test/silence button - Alarm Reset: Automatic when smoke clears - Heat Alarms. Maximum of 12 smoke alarms. Seeusers manual for details. - Smoke Sensors: Photoelectric and Ionization