| Specifications: | |
| Model Number | DA-ARD2231-W2-868 |
| Function | |
| Indicator Light | 1 x green alarm indicator |
| Button | 1 x power switch |
| Tamper | Yes |
| Remote Upgrade | Cloud Update |
| Measuring Range (Temperature) | Indoor: –15 °C to +65 °C (+5 °F to +149 °F) |
| Measuring Accuracy | ±1 °C (±1.8 °F) |
| Wireless | |
| Carrier Frequency | 868.0 MHz–868.6 MHz |
| Communication Distance | Up to 1,600 m (5,249.34 ft) in an open space |
| Communication Mechanism | Two-way |
| Frequency Hopping | Yes |
| Encryption Mode | AES128 |
| General | |
| Power Supply | CR123A × 1 |
| Power Consumption | Max. 615 mW |
| 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") (L × W × H) |
| Packaging Dimensions | 135.0 mm × 98.5 mm × 56.8 mm (5.31" × 3.88" × 2.24") (L × W × H) |
| Installation | Wall mount, Ceiling mount (With the bracket ARA33) |
| Net Weight | 106 g (0.23 lb) |
| Gross Weight | 184 g (0.41 lb) |
| Certifications | CE |
| Battery Life | 3 years (If triggered 10 times a day with a battery efficiency
of 70%) |
| Casing | PC + ABS |
| Technical | |
| Sensor | Dual-element low-noise PIR sensor, microwave sensor |
| Detectiuon 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 |
 (1).jpg)
 (1).jpg)
1.jpg)
 Dahua Wireless Keyfob (1).jpg)
