BRK SA520B 120VAC/DC Wireless Interconnect Smoke Alarm-Bridge Unit

Description

Bridge Unit, wireless photoelectric hardwired smoke alarmSingle button test/silenceTwo silence features, can silence the low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarmAdd additional OneLink alarms and hardwired alarms. Links all alarms together for a complete systemHardwired interconnect and RF Interconnect, reliable and secure radio frequency communication between alarms. 915 MHz Frequency with 65,000 security codes and 3-Channel frequency hoppingOptipath 360 Technology, patented technology provides 360 degrees of direct access to the smoke sensorPerfect mount, allows for easy alignment of alarmSpread spectrum horn tone, lower and varying frequency makes it easier for the elderly with normal aged related hearing loss to hear the hornAlarm latch, remembers which unit initiated an alarm