Dahua ARC3000H-W2 Alarm hub
• Supports 150 wireless peripherals (6 sirens, 64 wireless keyfobs). • Peripherals status display (signal strength, battery level, temperature,program version). • Automatic network replenishment (ANR). • Video linkage on App. • Frequency hopping function and two-way communication technology ensure communication stability • Cloud update and automatic recovery from update failure.