... systemFeatures:1. Multi- loop HBUS bus communication technology, with automatic protection function, nonpolarity design, can effectively avoid ... mode:LCD Working condition: Temperature: 0°C~ 55°C Humidity:<93%RH(40°C)(incondensable)Outline dimension: 240 mm×90mm ... XE3112SWL,XE3112H,XE3122,XE3123, XE3124,XE3125, XE3126Our system diagarm addressable electrical fire alarm system for mostly 512 points