alarm cable 4x0.22mm ,(4 core ,7/0.20 copper, 305m/roll)designed for intruder alarm ... with good quality and competitive alarm cable 4x0.22mm ,(4 core ,7/0.20 copper, 305m/roll) Cable Introduction:Burglar alarm ... .20+7/0.207.8 alarm cable 4x0.22mm ,(4 core ,7/0.20 copper, 305m/roll)