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.

BRK® Smoke Alarm, Hardwired, 120 VAC, 60 Hz with (2) 1.5 VDC AA Batteries Power Source, Photoelectric Sensor, Alarm: Audible Alarm, Up to 18 Units Interconnection, 85 dB Alert, Red LED Visual Alert, 10 to 95 % Humidity, LED Display, Wireless Wiring, 40 to 100 deg F Operating, White, 5 in Dia x 2 in H Dimensions

• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/BRK_SA520B_User_Manual.pdf https://www.iesbuy.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/BRK_SA520B_User_Manual.pdf
• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/BRK_SA520B_Specification_Sheet.pdf https://www.iesbuy.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/BRK_SA520B_Specification_Sheet.pdf

• 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
• 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