The brain of your home or shop security system — connects up to 150 wireless sensors, keyfobs, and sirens into one managed network, with real-time alerts through the DMSS app. Triple network backup (WiFi, Ethernet, and 4G LTE) means the alarm stays connected even if your internet drops, so you're never left without coverage during an outage.

Key Features:

• Supports up to 150 wireless peripherals (6 sirens, 64 keyfobs, sensors, PIRs)

• Multi-network backup: WiFi, Ethernet, and 4G LTE

• Two-way RF communication with frequency hopping, AES128 encryption

• Built-in lithium battery — keeps working during power outages

• Video linkage support (pairs with compatible Dahua cameras)

• Offline cache: up to 50 entries (stores events if disconnected)

• Communication range up to 2,000m in open space

• Cloud update, remote management via DMSS app

• Compatible with all Dahua ARD-series door/PIR detectors and sirens