Features:
- Zone address setting
- Fiber optic communications
- Operating status LED display
- high and low voltage switching
- Control and manage 255 areas at the same time, base on RS485 communication or LAN.
- Multi-point control capability, can cotrolled online by 5 keyboards at the same time.
- DC12V NO/NC dry contact output, can match with varies of modren security products.
- Built-in buzzer siren, Varies of alarms with different tweet frequency to remind.