Siemens U-MHU-MCS Category : Siemens I believe that this alarm is capable of doing multiple tones. Brand SiemensModel U-MHU-MCSManufacturer SiemensType Alarm (Horn/Strobe)
GE 278B-1110 Category : GEThis is the non-addressable version of the EST SIGA-278. This particular unit is branded by GE.
Wheelock E-7070-WM-24 Category : WheelockSince this alarm has a weatherproof strobe, I’m assuming it can be used in outdoor applications.
Gentex GCC24-CR Category : GentexThis is a Gentex Commander 4, which is intended for ceiling-mount applications.
