ZONE EXPANSION MODULE WRL/ARM310-W2-868 DAHUA

Wireless input expander
> Six types of alarm: intrusion, medical, fire, emergency, gas, and tamper.
> NC and NO are available for alarm inputs (NO by default).
> Signal strength detection.
> Low battery alarm.
> Temperature monitoring.
> Frequency hopping function and two-way communication technology ensure communication stability.
> Cloud update and automatic recovery from update failure.