Dahua Magnetic Wireless Door Contact Plus with Shock & Tilt Sensor – 868MHz, Black / White (DHI-ARD324-W2-868)

Enhance your entry perimeter protection with the Dahua Wireless Door Contact Plus (DHI-ARD324-W2-868)! Combining magnetic contact sensing, shock impact detection, and tilt angle monitoring into a single sleek device, this multi-functional sensor alerts you to forced entry attempts before a break-in even happens. Operating on two-way 868MHz encrypted wireless communication within the Dahua AirShield ecosystem, it offers reliable, real-time intrusion monitoring for any modern residential or commercial installation. 🏠🚨

🌟 Key Features

• 🚪 Triple Threat Detection: Integrates magnetic contact opening detection, shock/vibration sensing, and digital tilt angle measuring in one compact housing.

• ⚡ Pre-Intrusion Alerting: Detects hammering, prying, or glass impact forces before doors or windows are opened.

• 📡 868MHz Secure Communication: Features long-range, two-way AES-128 wireless encryption with anti-jamming frequency hopping.

• 📐 Adjustable Sensor Sensitivity: Easily tune shock thresholds and tilt angles via mobile app settings to minimize environmental false triggers.

• 🔋 Long-Lasting Battery Life: Highly efficient power design provides up to 3 years of continuous operation on a single battery.

• 🛡️ Dual Tamper Protection: Front cover and back wall tamper switches immediately notify your alarm hub if the device is opened or detached.

• 📲 Full DMSS App Integration: Real-time push alerts, battery level checking, and built-in ambient temperature reporting delivered straight to your smartphone.

💡 Why You Should Buy This Product

• 🛡️ Proactive Forced Entry Defense: Catches physical tampering and force before an intruder actually crosses the threshold.

• 🔌 Clean Wire-Free Setup: Battery-powered construction installs effortlessly using double-sided adhesive or mounting screws without damaging frames.

• 🎨 Dual Color Options: Choose between Black or White finishes to perfectly blend into modern interior door frames and window trims.

🎯 Best For

• 🏠 Residential Homes & Apartments: Protecting front entry doors, patio sliders, and vulnerable ground-floor windows.

• 🏬 Retail Stores & Storage Rooms: Securing rear loading bays, display cabinets, and stockroom access doors.

• 🏢 Commercial Offices & Server Facilities: Perimeter security for restricted access points, tilt-open skylights, and file safes.

⚙️ Technical Specifications

• 🏷️ Brand: Dahua

• 🆔 Model Code: DHI-ARD324-W2-868

• 📷 Product Type: Wireless Door Contact Plus with Shock & Tilt Sensor

• 📻 Carrier Frequency: 868.0 MHz – 868.6 MHz

• 🔐 Wireless Encryption: AES-128 Encryption

• 📏 Detection Gap: Reed Switch Magnet Distance < 40mm; Adjustable Shock & Tilt Sensitivity

• 🌡️ Integrated Sensors: Reed Switch, Accelerometer (Shock & Tilt), Temperature Sensor

• 🔋 Power Source: 1x CR123A Battery (Up to 3-year battery life)

• 📐 Dimensions: Sensor: 100.2 mm × 20.8 mm × 20.3 mm; Magnet: 100.2 mm × 12.0 mm × 20.3 mm

• 🛠️ Installation Method: Double-Sided Adhesive Tape or Screw Mount