I found some interesting information on 12 Volt security systems yesterday (alarms).

The problems that I've had in the past with game camera's are two fold: 1) if the criminal element know they are there they will merely cover their face and 2)the camera's can be stolen.

I'm still researching.

JHAP
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"My mind is a raging torrent, flooded with rivulets of thought cascading into a waterfall of creative alternatives."
...Hedley Lamarr (that's Hedley not Hedy)