miaren Posted January 29, 2011 Share Posted January 29, 2011 FM Electronics do a wireless system that lasts about 30 days on one battery. Its got GSM and selective text messaging. I've toyed with it and it's very very good - just expensive. I had an identical situation and this was the solution. May be worth a look at: Web Page Link to comment https://www.thesecurityinstaller.co.uk/community/topic/30818-alarm-but-no-mains/page/3/#findComment-268193 Share on other sites More sharing options...
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