1.avoid electrical fire 2.detect residual current,temp. 3.wall-mounted, easy to ... use 4.sorted data record 5.competitive price electrical fire alarm systemFeatures:1. Multi- loop HBUS bus communication technology, with ... ,XE3112H,XE3122,XE3123, XE3124,XE3125, XE3126Our system diagarm addressable electrical fire alarm system for mostly 512 points