Dahua- ARD324-W2(868S)
DAHUA WIRELESS INTRUSION ALARM ARD324-W2(868S)
FEATURES
Environmental Monitoring
The ARD324-W2(868S) displays the surrounding temperature and supports overheating alarms. This feature allows for proactive monitoring of environmental conditions.
Secure Communication
Utilizes frequency hopping and two-way communication technology to ensure stable and secure communication between the detector and the hub. This minimizes interference and enhances reliability.
Automatic Firmware Updates
Supports cloud updates and automatically restores to the previous version if an update fails, ensuring the device remains up-to-date and functional.
Tamper Detection
Equipped with tilt and shock detection capabilities, it generates alarms when such events occur. This enhances the system's ability to detect unauthorized tampering or movement.
SPECIFICATIONS
Detection: Door/window open or tilt/shock events
Alarm input: 1 NO/NC/internal pulse counter port
Temperature display & alarm: Yes, supports overheating alert
Wireless frequency: 868.0–868.6 MHz, AES‑128, two-way RF, hopping
RF Range: up to 1200 m open space
Power: 1 × CR123A 3 V battery; ~3 years cycle life
Operating Temp: –10 °C to +55 °C; humidity unspecified
Dimensions: approx. 100 × 21 × 21 mm; net 34 g per unit
Housing: PC + ABS; tamper detection supported
Indicators: 1 × green LED for status
Other features: Shock/tilt detection, jamming detection, cloud update with auto-restoration
DAHUA WIRELESS INTRUSION ALARM ARD2231-W2(868)
FEATURES
Dual Detection Technology
Combines PIR and microwave motion detection, enhancing sensitivity and reducing false alarms. This dual technology ensures accurate detection of intrusions.
Environmental Monitoring
Displays the surrounding temperature and supports overheating alarms. This feature allows for proactive monitoring of environmental conditions.
Adjustable Sensitivity
Offers 3-level sensitivity adjustment, allowing customization based on specific requirements. This flexibility enhances detection accuracy.
Secure Communication
Utilizes frequency hopping and two-way communication technology to ensure stable and secure communication between the detector and the hub. This minimizes interference and enhances reliability.
Automatic Firmware Updates
Supports cloud updates and automatically restores to the previous version if an update fails, ensuring the device remains up-to-date and functional.
SPECIFICATIONS
Detection range: ~12 m, 90° FOV, installation recommended ~1.2 m height
Tech: PIR + Microwave dual detection
Sensitivity: 3 levels, pet immunity supported
Temperature sensor: Displays ambient temp; overheating alarm included
Wireless: 868 MHz, AES‑128, two‑way frequency hopping
Communication range: approx. 1200 m open space
Battery: 1 × CR123A, battery life unspecified (~years)
Power consumption: Max ~615 mW
Physical: 104 × 60 × 50 mm, weight ~106 g net
Environmental: –10 °C to +55 °C, 10–90% RH
Other: Tamper, jamming detection, cloud update, pet immunity, temp compensation
DAHUA WIRELESS INTRUSION ALARM ARD912-W2(868D)
FEATURES
Reliable Wireless Connectivity
Utilizes frequency hopping and two-way communication technology to ensure stable and secure communication between the detector and the hub. This minimizes interference and enhances reliability.
Enhanced Security Measures
Equipped with jamming detection and AES128 encryption to prevent unauthorized interference and ensure data integrity. This strengthens the overall security of the system.
Cloud-Based Firmware Updates
Supports cloud updates and automatically restores to the previous version if an update fails, ensuring the device remains up-to-date and functional. This feature enhances device longevity and performance.
Environmental Monitoring Capabilities
Displays the surrounding temperature and supports overheating alarms, allowing for proactive monitoring of environmental conditions. This feature helps in identifying potential issues before they escalate.
Adjustable Sensitivity Settings
Features sensitivity adjustment to tailor detection capabilities to specific installation environments, enhancing detection accuracy. This customization ensures optimal performance.
SPECIFICATIONS
Sensor type: Water leak detection via contact probe
Sensitivity: Adjustable (multi-level)
Indicator light: One LED indicating pairing/power/alarm status
Wireless: 868.0–868.6 MHz, two-way frequency hopping, AES‑128 encryption
RF range: up to 1200 m open space
Power: 1 × CR123A 3 V battery; ~3 years life under one alarm/day
Current: Standby ~28.5 µA, alarm max ~5.8 mA
Power consumption: ~144 mW max
Environment: –10 °C to +55 °C, humidity 10–90% RH
Dimensions: approx. 84.7 × 84.7 × 32.5 mm, weight ~0.1 kg net
Mounting: Surface/wall mount; casing PC+ABS; IPX5 rated
Features: Cloud update, jamming detection, low battery alarm, overheating alarm
