Dahua Wireless Door or Window Contact Sensor – 1.2km Range 4-Year Battery IP Security Rated

Description

Professional Entry Detection for Comprehensive Security Systems: The Dahua DHI-ARD323-W2(868) is an advanced wireless contact sensor designed for reliable door/window monitoring:

✔ Long-Range 868MHz – 1,200m open-space communication
✔ Extended 4-Year Battery – Single CR123A battery (Ultra-low 125mW consumption)
✔ Military-Grade Security – AES128 encryption + frequency hopping
✔ Real-Time Status Monitoring – Open/close state visible on DMSS app
✔ Tamper Protection – Triggers if device is removed
✔ Temperature Monitoring – ±1°C precision for environmental awareness
✔ Professional Certification – CE EN50131 Grade 2 compliant

Technical Specifications:

• Detection Method: Reed switch (≤40mm activation gap)

• Frequency: 868.0-868.6MHz (EU compliant)

• Power: CR123A battery

• Dimensions: 100.2×20.8×20.3mm (Slim profile)

• Weight: 70g (Ultra-lightweight)

• Operating Temp: -10°C to +55°C

• Material: Durable PC+ABS housing

Smart Features:

• Two-Way Communication – Instant status confirmation

• Low Battery Warning – Proactive replacement reminder

• Cloud Updates – Remote firmware upgrades

• Test Mode – Easy system verification

Ideal For:

• Smart home entry points

• Retail store door monitoring

• Apartment/villa security

• Office building access control

Package Includes:

• Sensor unit + magnet

• Mounting hardware

• Installation accessories

This professional-grade contact sensor offers discreet protection for doors and windows. The slim design blends seamlessly with door frames while providing enterprise-level security. With 4-year battery life and temperature-resistant construction, it delivers maintenance-free operation for integrated security systems. Perfect for users needing reliable, long-range entry detection.