The DHI-ARA43-W2 Alarm Repeater is a wireless signal extender designed to enhance the coverage and reliability of Dahua alarm systems. It relays communication between the alarm hub and wireless peripherals, eliminating signal blind spots and ensuring stable two-way RF transmission. Supporting automatic pairing, status indication, and backup battery power, it is ideal for larger homes, villas, shops, and multi-room premises where extended wireless coverage is required. Key features includes:

DH-IPC-HFW1430S1P-A-S4 4MP Entry IR Fixed-focal Bullet Network Camera   · 4-MP 1/3" CMOS image sensor, low luminance, and high definition image.   · Outputs max. 4 MP (2560 × 1440) @25/30 fps.   · H.265 codec, high compression rate, ultra-low bit rate.   · Built-in IR LED, and the max. illumination distance is 30 m.   · ROI, SMART H.264+/H.265+, flexible coding, applicable to various bandwidth and storage environments.   · DWDR, 3D NR, HLC, BLC, digital watermarking, applicable to various monitoring scenes.   · Abnormality detection: Motion detection, video tampering, network disconnection, IP conflict, audio detection and illegal access.   · Built in MIC.   · 12 VDC/PoE power supply, easy for installation.   · IP67 protection