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Dahua ARD2251E-W2(868) Wireless External Triple-Tech Detector

Part number: ARD2251E-W2(868)
EAN: -
₵1,314.31 net
1,485.17 gross
Availability:
10  pcs
1
1 2 3 4 5 6 7 8 9+
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> Support anti-masking detection.

> Support moving detection to prevent someone move or detach device.

> Support the installation of camera modules to form PIR-Cam to implement video verification.

> Pet immunity: up to 80 cm, 40kg.

> Support environment temperature monitoring.

> Supports two-way communication and frequency hopping to make communication with alarm hub stable and reliable.

> Features cloud update. You can also remotely update the device on the mobile app.

> Offers a dual backup system, and uses auto recovery when an update fails.

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Description

The Dahua ARD2251E-W2(868) is a state-of-the-art Wireless External Triple-Tech Detector designed to enhance your security system. This model incorporates advanced anti-masking detection and moving detection to ensure that unauthorized tampering or movement is effectively monitored. With the ability to install camera modules, it transforms into a PIR-Cam, allowing for efficient video verification of alarms and suspicious activity.


One notable feature of this device is its pet immunity capability, which can effectively distinguish between pets up to 40kg and 80 cm in height, minimizing false alarms. Additionally, the Dahua ARD2251E-W2(868) supports real-time environmental temperature monitoring, enhancing its versatility as a security solution. With two-way communication and frequency-hopping technology, this detector ensures stable and reliable communication with your alarm hub, making it a superior choice in the market.


Equipped with a robust cloud update feature, you can easily update the device remotely through a mobile app, ensuring your security system is always up-to-date. The dual backup system and automatic recovery during update failures further enhance its reliability, making the Dahua Wireless External Triple-Tech Detector an exceptional addition to any security setup.


Specifications

Function

Indicator Light

1 × green alarm indicator

Button

1 × power switch;
1 × detection range adjustment switch

Remote Update

Cloud update

Low Battery Detection

Yes

Tamper

Tamper alarm

Moving detection

Yes

Technical

Detection Mode

PIR + Microwave

Sensitivity

PIR: 3 levels adjustable

Detection Range

Angle:90°
Range:15 m (49.21 ft), the installation height is 1 m (3.28 ft)

Detection Speed

0.3 m/s–2 m/s

Microwave Frequency

24 G

Pet Immunity Level

<80 cm (2.62 ft), about 40 kg (88.19 lb)

White Light Resistance Level

10,000 lux

Anti-masking

Yes

Two-way Digital Temperature Compensation

Yes

Scenario

Outdoor, indoor

Operating Current

20 uA

Alarm Current

Without Camera: 26mA (Avg); 250 mA (Max)
With Camera in Night: 380 mA (Avg); 1.5 A (Max)

Wireless

Carrier Frequency

868.0 MHz–868.6 MHz

Transmitter Power (EIRP)

Limit 25 mW

Communication Mechanism

Two-way

Communication Distance

RF: Up to 1,600 m (5,249.34 ft) in an open space

Encryption Mode

AES128

Frequency Hopping

Yes

General

Power Supply

CR123A × 4

Battery Life

Without Camera: 5 years (triggers 10 alarms a day)
With Camera: 3.5 years (triggers alarms twice a week)

Operating Temperature

–25 °C to +60 °C (–13 °F to +140 °F)

Operating Humidity

10%–90% (RH)

Product Dimensions

211 mm × 106 mm × 94 mm (8.31" × 4.17" × 3.7")

Installation Height

0.8 to 1.3 m

Net Weight

651 g (1.44 lb)

Gross Weight

890 g (1.96 lb)

Installation

Wall mount, pole mount

Casing Material

PC + GF

Protection

IP66

Certifications

CE

EN 50131-1:2006+A1:2009+A2:2017+A3:2020

EN 50131-6:2017+A1:2021

EN 50131-5-3:2017

EN 50131-2-4:2020

Security Grade 2

Environmental Class IV

Anti-corrosion Level

Basic Protection

Storage Temperature

–25 °C to +60 °C (–13 °F to +140 °F)

Packaging Dimensions

251 mm × 116 mm × 119 mm (9.88" × 4.57" × 4.69”)

SKU: 1763455
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