Simplex 4098-9716 I don’t think that I have a base that is compatible with this head. Brand SimplexModel 4098-9716Manufacturer SimplexType Smoke Detector
Wheelock RSSWP-2475W Category : WheelockThis alarm has a weathered strobe, unlike my other Wheelock RSSWP-2475.
Harrington Signal RMS-1T-KO Category : OtherBehind the “Key Operated Only” cover is the regular pull lever, so that cover can be removed and this could...
System Sensor CO1224T Category : System SensorThis is a Carbon Monoxide detector which can run off of a “normal” voltage of 12/24VDC.