Wheelock ET-1080 The white and red versions of this speaker both have the same model number. Brand WheelockModel ET-1080Manufacturer WheelockType Alarm (Speaker)
Cerberus Pyrotronics U-MHT-S17 Category : Cerberus PyrotronicsI am not 100% sure of the differences between the U-MMT and the U-MHT since I could only find it’s...