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Description
ARD2251E-W2(V) – Dahua Wireless External PIR-Camera
(Compatible only with ARC3800H series)
- Anti-Masking Detection – Prevents tampering attempts.
- Motion Detection – Alerts if the device is moved or detached.
- Video Verification – Captures visual evidence of events.
- IR Night Vision – 15m illumination range.
- Pet Immunity – Ignores pets up to 80 cm tall and 40 kg.
- Temperature Monitoring – Tracks environmental conditions.
- Stable Communication – Two-way communication with frequency hopping for reliability.
- Cloud Updates – Remotely update the device via mobile app.
- Dual Backup System – Auto-recovery ensures updates never fail.
- Compatibility – Works only with ARC3800H series (Not compatible with ARC3000H or ARA43 series).
Specifications
Video & Audio
- Field of View: 110° (H), 60° (V)
- Image Type: JPEG
- Resolution: 1280 × 960, 640 × 480, 320 × 240, 160 × 120
- Frame Rate: 2 FPS
- Illumination Mode: Infrared Light
- Day/Night Switch: Color / Black & White
Functionality
- Indicator Light: 1 × Green alarm indicator
-
Buttons:
- 1 × Power switch
- 1 × Detection range adjustment switch
- Remote Update: Cloud update
- Low Battery Detection: Yes
- Tamper Protection: Tamper alarm
- Motion Detection: Yes
Technical Specifications
- Detection Mode: PIR + Microwave
- Sensitivity: PIR – 3 levels adjustable
-
Detection Range:
- Angle: 90°
- Range: 15 m (49.21 ft) at 1 m (3.28 ft) installation height
- Detection Speed: 0.3 m/s – 2 m/s
- Microwave Frequency: 24 GHz
- Pet Immunity Level: <80 cm (2.62 ft), approx. 40 kg (88.19 lb)
- White Light Resistance Level: 10,000 lux
- Anti-Masking: Yes
- Two-Way Digital Temperature Compensation: Yes
Installation & Power
- Scenario: Outdoor, indoor
- Operating Current: 20 µA
-
Alarm Current:
- Without Camera: Avg. 26 mA, Max 250 mA
- With Camera (Night): Avg. 380 mA, Max 1.5 A
- Power Supply: CR123A × 4
-
Battery Life:
- Without Camera: Up to 5 years (10 alarms/day)
- With Camera: Up to 3.5 years (2 alarms/week)
- Operating Temperature: –25 °C to +60 °C (–13 °F to +140 °F)
- Operating Humidity: 10%–90% RH
- Installation Height: 0.8 m–1.3 m (2.62 ft–4.27 ft)
- Installation Options: Wall mount, pole mount
Wireless Communication
- Carrier Frequency: 433.1 MHz–434.6 MHz
- Transmitter Power (EIRP): Max 10 mW
- Communication Mechanism: Two-way
-
Communication Distance:
- RF: Up to 1,200 m (3,937.01 ft) in open space
- RF-HD: Up to 1,000 m (3,280.84 ft) in open space
- Encryption Mode: AES128
- Frequency Hopping: Yes
Physical & Protection
- Product Dimensions: 263 mm × 106 mm × 94 mm (10.35" × 4.17" × 3.70")
- Net Weight: 0.76 kg (1.68 lb)
- Gross Weight: 1.06 kg (2.34 lb)
- Casing Material: PC + GF
- Protection Level: IP66
- Certifications: CE
- Anti-Corrosion Level: Basic Protection
- Storage Temperature: –25 °C to +60 °C (–13 °F to +140 °F)
- Storage Humidity: 10%–90% RH
- Packaging Dimensions: 297 mm × 146 mm × 120 mm (11.69" × 5.75" × 4.72")