Gentex GXS-4-15/75WR Category : Gentex This alarm uses the same strobe as other Gentex alarms such as the Gentex GX90S-4-15/75WR and Gentex GOS-24-110WR. Brand GentexModel GXS-4-15/75WRManufacturer GentexType Alarm (Strobe)
National Time D900-PHOTO Category : National TimeThis same type of detector, which is manufactured by Apollo, is used by several other companies, such as Gamewell-FCI.
