Wheelock 7002T-24 Category : Wheelock Each 7002T-24 has a somewhat different pitch, so I’ve kept several that sound different from each other. Brand WheelockModel 7002T-24Manufacturer WheelockType Alarm (Horn/Strobe)
Honeywell HFS-P Category : HoneywellOddly enough, the model number on this particular smoke doesn’t fit the typical pattern for Honeywell devices.
GE 521BXT Category : GEI think that this smoke detector might be intended for use in security systems.
