Original Dahua Wireless Door Detector Plus (ARD324-W2)

Premium Security Solution
– High-precision wireless door detector with encrypted signal transmission, ensuring reliable intrusion alerts for homes, offices, and retail spaces.
Advanced Low Battery Detection
– Built-in real-time battery monitoring with instant alerts via DH Security Alarm system, eliminating unexpected power failures.
Industrial-Grade Durability
– Reinforced ABS housing with IP-rated resistance to dust and moisture, ideal for harsh environments or high-traffic entry points.
Seamless Integration
– Compatible with major DH alarm systems (868MHz frequency), featuring tool-free installation and a sleek, low-profile design for discreet placement.
Smart False Alarm Reduction
– Dual detection technology (magnet + motion) minimizes accidental triggers while maintaining 24/7 sensitivity.
Bulk Purchase Advantage
– Direct-from-factory pricing with wholesale discounts for large-scale security projects or reseller stock.