... alarm system 1.certificate:ABS,BV,CCS,etc. 2.material:stainless steel 3.sensor:pressure 4.low cost water ingress alarm system ... YOUR INSTALLATION COST, EMC REACHES MILIARY STANDARD1. The alarm control panel has advantages including artistic externality, compact ... for installation and lower cost for the whole system,which only needs one 4*1mm² cable ... for function tests. water ingress alarm system