2-zone expanding module

Detect Mode:2-zone expanding module
Features:
AB-1102 has bus communication function, widely used to connect with detectors far away, such as perimeter
Technical parameter :
1. Can connect with two NC zones
2. Can be used together with AB-1056, AB-2520,AB-2064 and AB-1816 alarm control panel by bus
3. Dimension: 61.5*20.5*13.0mm
4. Small size, can be set in different detectors
5. Working voltage: 10-24V