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Dahua MultiVision 2.0 Expands Intelligent Monitoring with Wider Coverage, Sharper Details, Smarter Analytics and Easier Deployment

2026-05-28

Dahua MultiVision 2.0 Expands Intelligent Monitoring with Wider Coverage, Sharper Details, Smarter Analytics and Easier Deployment

ARD333-W2(868S)

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ARD333-W2(868S)

Dahua Wireless Door Detector

Key Points
    · An external input for connecting wired detector
    · Cloud update
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Datasheet

Specifications

Port

Alarm Input

1-channel external digital input

Function

Indicator Light

1 × green alarm indicator

Button

1 × power button

Remote Update

Cloud update

Low Battery Detection

Yes

Tamper

Yes

Measuring Range (Temperature)

–15 °C to +65 °C (+5 °F to +149 °F) (indoor)

Technical

Sensor

Reed switch

Movement Distance

< 40 mm (1.57")

Anti-EMI/RFI Interference

Yes

Test Mode

Yes

Scenario

Non-metal doors

Wireless

Carrier Frequency

868.0 MHz–868.6 MHz

Transmitter Power (EIRP)

Limit 25 mW

Communication Mechanism

Two-way

Communication Distance

Up to 1,400 m (4,593.18 ft) in an open space

Encryption Mode

AES128

Frequency Hopping

Yes

General

Power Supply

CR123A battery

Power Supply Type

Type C

Battery Model

CR123A

Battery Life

A single CR123 battery can last for 4.6 years if alarms are triggered 2 times a day, with a battery efficiency of 80%.

Low Battery Threshold

2.2V

Battery Restore Threshold

2.6V

Power Consumption

0.258 W (Max), 0.087 mW (Standby)

Operating Temperature

–10 °C to +55 °C (+14 °F to +131 °F) (indoor)

Operating Humidity

10%–90% (RH)

Product Dimensions

101.0 mm × 21.0 mm × 22.2 mm (3.98" × 0.83" × 0.87") (L × W × H)

Net Weight

48.7 g (0.11 lb)

Gross Weight

88 g (0.19 lb)

Installation

Wall mount

Casing Material

PC + ABS

Certifications

CE

Packaging Dimensions

110.0 mm × 75.0 mm × 33.0 mm (3.61" × 2.46" × 1.08") (L × W × H)

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