Brooks Battery Backed Smoke Detector DAS Part Number : S4368 Manufacturer Part Number : EIB-186P Home Fire Safety Standards Compliant 9v internal battery backup 12 volt DC Externally Powered Photoelectronic, N/O & N/C contacts Up to 24 interlinkable & hush feature Categories: Monitored Smoke Detector, Smoke Detector. APPLY NOW Related Products Monitored Smoke Detector APPLY NOW