BRK Electronics - BRK SA520B Onelink Wireless AC and Battery Operated Electrochemical Photo

BRK Wireless Interconnect Alarms provide a cost effective solution when it comes to renovation and retrofit projects where interconnectability is a requirement. Easily interconnect between floors and new to existing construction wirelessly. Hardwired smoke version. Features: BRK Wireless Interconnect enabled alarm; Bridge Unit - Wireless Photoelectric Hardwired Smoke Alarm; Single button test/silence; Two silence features - can silence the low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm; Add additional OneLink alarms and hardwired alarms. Links all alarms together for a complete system.; Hardwired interconnect and RF Interconnect: reliable and secure radio frequency communication between alarms. 915 MHz frequency with 65,000 security codes and 3 channel frequency hopping.; Optipath 360 TechnologyTM - patented technology provides 360 degrees of direct access to the smoke sensor.; Perfect Mount - allows for easy alignment of alarm; 10-Year Limited Warranty