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Hello, I need to buy some low cost hardware: sireless solar siren and wireless perimeter sensors like these: http://www.ebay.it/itm/SIRENA-WIRELESS-ESTERNA-SOLARE-LAMPEGGIANTE-SOS-ANTIFURTO-ALLARME-SERIE-A-/272111501336?hash=item3f5b1c0018:g:MrYAAOSw-zxWoJUk https://www.casasicura.it/sirene-antifurt...

Thanks for reply. Let's forget the siren for now, I am more interested in wireless solar barriers like these: http://www.ebay.it/itm/SISTEMA-ALLARME-ANTIFURTO-WIRELESS-BARRIERE-INFRAROSSI-CELLE-SOLARI-AGGIUNTIVO-/171053341652?hash=item27d392dbd4:g:kxIAAOxyu4dRr3hb They are china made products that u...