The SpectrAlert Advance SPSRK is a red, outdoor speaker strobe for wall installations with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd.
The NOTIFIER ISO-X Fault Isolator Module is used with the NFS-3030, AM2020, AFP1010, NFS-640, AFP-400, AFP-300, AFP-200, AFP-100 and System 5000 (equipped with an AIM-200 module) to protect the system