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Motion sensor Dahua ARD2251E-W2(868)
€215.73
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PIR detector with two-way communication at 868.0 MHz–868.6 MHz and AES128 encryption. Max. detection range: up to 1600 m outdoors, detection distance up to 15 m when mounted at 1 m height. Detection movement speed: 0.3 m/s–2 m/s. Pet immunity (up to 40 kg and up to 80 cm tall). 3-level sensitivity adjustment. Alarm indicator: green light. Buttons for on/off and sensitivity setting. Remote cloud update. Battery: 4 × CR123A, lasting up to 5 years (10 alarms per day). Operating temperature: –25 °C to +60 °C, humidity 10%–90%. Dimensions: 211×106×94 mm. Wall or pole mount. Net weight: 0.651 kg. Housing: PC + GF.
Secure payments
SSL-secured connection, cash on delivery payment.
Fast delivery
Delivery nationwide – arranged after the order.
Returns
14-day right of withdrawal under consumer protection law.
General
| Type | Motion detectors |
Ports
| Light indicator | 1 × green alarm indicator |
| Buttons | 1 × on/off; 1 × detection sensitivity setting |
Features
| Tamper alarm | yes |
| Protections | Anti-masking |
| Remote update | Cloud update |
| Remote configuration | yes |
| Mobile app | yes |
| Low battery detection | yes |
Wireless network
| Carrier frequency | 868.0 MHz–868.6 MHz |
| Max. communication distance | Up to 1600 m in open space |
| Communication method | Two-way |
| Encryption mode | AES128 |
| Frequency-hopping spread spectrum | yes |
Technical
| Battery | 4 × CR123A |
| Battery life | 5 years (10 alarms triggered per day) |
| Operating current | 0.02 mA |
| Operating temperature | –25 °C to +60 °C |
| Operating humidity | 10%–90% (RH) |
| Protection rating | IP66 |
| Dimensions | 211 mm × 106 mm × 94 mm |
| Mounting | Wall mount; Pole mount |
| Recommended mounting height | 0.8 - 1.3 m |
| Net weight | 0.651 kg |
| Gross weight | 0.89 kg |
| Certifications | CE |
| Housing | PC + GF |
Specification
| Max. detection distance | 15 m when the device is mounted at 1 m height |
| Reading speed | 0.3 m/s–2 m/s |
| Detection angles | 90° |
| Pet immunity | Weight - up to 40 kg, Height - up to 80 cm |
| White light resistance level | 10000 lx |
| Two-way digital temperature compensation | Yes |
| Sensitivity | 3 adjustment levels |
| Motion sensor | yes |
Temperature
| Temperature sensor | yes |
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PIR detector with two-way communication at 868.0 MHz–868.6 MHz and AES128 encryption. Max. detection range: up to 1600 m outdoors, detection distance up to 15 m when mounted at 1 m height. Detection movement speed: 0.3 m/s–2 m/s. Pet immunity (up to 40 kg and up to 80 cm tall). 3-level sensitivity adjustment. Alarm indicator: green light. Buttons for on/off and sensitivity setting. Remote cloud update. Battery: 4 × CR123A, lasting up to 5 years (10 alarms per day). Operating temperature: –25 °C to +60 °C, humidity 10%–90%. Dimensions: 211×106×94 mm. Wall or pole mount. Net weight: 0.651 kg. Housing: PC + GF.