Dahua DHI-ARA43-W2 Wireless Alarm Repeate

ARA43-W2 Alarm Repeater > Connects up to 32 peripherals. > Two-way RF communication. > LED indicator displays device status. > Supports manual and auto paring, extending RF distance for your security system. > Auto switches from dual antennas to reduce blind areas. > Cloud update and auto recovery of update failure. > Battery backs device working for over 35 hours when external power supply fails.