Detailed Product Description Introduction:8-Zone Wired Alarm System supplies with 8 groups of alarm ... , it makes up of an alarm system with 8 wired detectors. It is suitable to use in small-or ... engineering. Main Functions And Characteristics:1.There are 8-wired zones, each zone can be armed/disarmed independently, and ... short-circuit.2.The length of line in each wired zone can be up to 800 meters.3.If ...