ADT and Concept Pro are an absolute whirlwind of disasters and relentless stress ! Had our £35k cctv installed two years ago. Breaks down WEEKLY! Oh and it currently down again today. Camera down AGAIN and tomorrow we have yet another engineer coming to tell us the cost of replacement parts and cables……they installed two years ago! Our local engineer , in the same town, does literally everything he can to avoid weekend call outs at all costs and will argue on the phone with us so not to come out if there awful system breaks done yet again. . Never get updates after a cal out so engineers wanders off and never see them again. We wait to see what this estimator says tomorrow and then probably start legal action for which we will no doubt win cause we have documented break downs countless times since installation. I told the engineer once, who tried to convince us it’s a fab system, I have a £289 system at home that has never ever ever ever failed me. But this £32k system breaks done weekly.