A Remote Alarm unit is a redundant alarm source which can be connected to the Monitor and placed in any convenient location. This is desirable when the Habitat Monitor may not be heard, because it is in a location which is well insulated or in an isolated area.

HM-RA1	HM-RA2

Model	Description
HMRA1	Standard (audible and visual display) remote alarm
HMRA2	High volume (88 db @ 30cm) remote alarm