Re: Optex VX-402R Question

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> One thing you should know.  Battery life will be substantially reduced if
> the ambient temperatures are consistently low.  You'll also have to limit
> the number of times the unit will transmit (leaving the thing to transmit
> each and every time the IR trips will mean you're replacing batteries every
> week).  I'd suggest powering the thing from a 9 volt power supply and using
> a 9 volt ni-cad battery in the actual transmitter.  Altronix makes one that
> you can "dial in" from 3v to 24 volts.  Watch your polarity though and
> solder any connections in the unit.


Thanks, Frank.  What do you consider low?  My temps drop into the 60s
or 50s most of the year at night.  Dropping into the 40s and
occasionally the 30s in the winter.  Also I have a 5816 and a 5890 in
an uninsulated garage that have not needed battery replacement for a
year so far....