Kidde KE-DP3120W-SN Isolated Dual Optical Smoke Detector with Sounder

Kidde KE-DP3120W Dual Optical Smoke Detector with Isolator

Aritech IU2080NC 2000 Series Sounder Module (including IO-2Box)

Aritech IO2034NC 2000 Series Module I/O 4in/4out

Aritech KE-DP3121B INT ADDR PNT DET W/ ISO - DUAL OPT/HT (BLK)

Aritech DB2368IAS-W 2000 Series Sounder Base with Isolator, White

Aritech KE-DP3021B INT ADDR PNT DET - DUAL OPT/HT (BLK)

Aritech AS2364 2000 Series Loop Powered Sounder, Multi Tone, Deep Base