Siemens S-LP70-MCS This is a speaker/strobe. Brand SiemensModel S-LP70-MCSManufacturer SiemensType Alarm (Speaker/Strobe)
Simplex 4904-9103 Category : SimplexThis is the ceiling-mount version of the Simplex 4904-9101 remote strobe.
Simplex 4903-9219H Category : SimplexThis alarm is specially made for high-humidity situations such as swimming pools. That’s what the “H” in the model number...