Dahua DHI-ARD2231-W2, Wireless PIR DUAL Detector

DHI-ARD2231-W2, Wireless PIR DUAL Detector

• Pet immunity function.
• Automatic temperature compensation.
• 3-level sensitivity adjustment.
• Displays the ambient temperature and supports overheating alarm.
• Frequency hopping and two-way communication technology ensure stable communication.
• Supports cloud updates and automatically recovers when cloud update fails.
• PIR and microwave motion detection.
• Supports jamming detection and communication encryption.

Specifications:

• Function
• Indicator Light - 1 × green alarm indicator
• Button - 1 × power switch
• Remote Update - Cloud update
• Low Battery Detection - Yes
• Tamper - Yes
• Measuring Range - (Temperature) Indoor: –15 °C to +65 °C (+18.8 °F to +149 °F)
• Measuring Accuracy - ± 1 °C (± 33.8 °F)
  
  Technical
• Sensor - Dual-element low-noise PIR sensor, microwave sensor
• Detection Mode - PIR + Microwave
• Sensitivity - 3 levels adjustable
• Detection Range - 12 m (39.37 ft) (90°) with installation height of 2.2 m (7.21 ft)
• Detection Speed - 0.3 m/s–3 m/s (0.98 ft/s–9.84 ft/s)
• Microwave Frequency - 24 G
• Pet Immunity Level - ≤ 18 kg (39.68 lb), height < 50 cm (19.68 ft)
• White Light Resistance Level - 2000 lux
• Two-way Digital Temperature Compensation - Yes, no attenuation of detection distance in high
  temperature.
• Test Mode - Yes
• Operating Current - 11 uA
• Alarm Current - 71 mA
  
  Wireless
• Carrier Frequency - 868.0 MHz–868.6 MHz
• Communication Mechanism - Two-way
• Communication Distance - Up to 1,600 m (5,249.34 ft) in an open space
• Encryption Mode - AES128
• Frequency Hopping - Yes
  
  General
• Power Supply - CR123A × 1
• Battery Life - 3 years (If triggered 10 times a day with a battery efficiency of 70%)
• Power Consumption - Max. 615mW
• Operating Temperature Indoor: –10 °C to +55 °C (+14 °F to +131 °F)
  Certified temperature: –10 °C to +40 °C (+14 °F to +104 °F)
• Operating Humidity - 10%–90% (RH)
• Product Dimensions - 104.0 mm × 60.0 mm × 50.0 mm (4.09" × 2.36" × 1.97")
• Packaging Dimensions - 135.0 mm × 98.5 mm × 56.8 mm (5.31" × 3.88" × 2.24")
• Net Weight - 106 g (0.23 lb)
• Gross Weight - 184g (0.41lb)
• Installation - Wall mount, Ceiling mount (With the bracket ARA33)
• Casing Material - PC + ABS
• Certifications - CE