Advanced Safety Systems Halon Abort Category : Other This unit features an abort switch as well as a countdown timer. It was meant for a Halon suppression system. Brand OtherModel UnknownManufacturer UnknownType Switch/Indicator
Wheelock NS-24MCW-FW Category : WheelockThis is a two-wire, white Wheelock NS with a multi-candelas strobe.
Siemens U-MHST-MCS Category : SiemensI believe that this alarm has the ability to produce multiple tones.
