","conds":[],"logic":"AND"}]; function pick(o){for(var i=1;i0)out.address=addr;return Object.keys(out).length>0?out:null;}function addUserData(payload,p){var u=buildUserData(p);if(u)payload.user_data=u;return payload;} function matchCond(c,ctx){ var val=ctx[c.f]||''; if(c.o==='contains')return val.toLowerCase().indexOf(c.v.toLowerCase())!==-1; return val.toLowerCase()===c.v.toLowerCase(); } function matchVariant(v,ctx){ if(v.conds.length===0)return true; if(v.logic==='AND'){for(var i=0;i
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Security Alarm System
Guide, Tips & News

Welcome to the WittySense security alarm system guide. Here we share practical tips on choosing a burglar alarm system, how GSM and wireless intrusion alarms work, and ideas to protect your home, shop or factory. Browse our latest articles and company updates below.

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