Dahua Alarm Wireless PIR Detector Dual-Tech ARD2231-W2(868)

Specifications

Indicator Light

1 × green alarm indicator

Button

1 × power switch

Remote Update

Cloud update

Low Battery Detection

Yes

Tamper

Yes

Measuring Range (Temperature)

Indoor: –15 °C to +65 °C

Measuring Accuracy

±1 °C

Sensor

Dual-element low-noise PIR sensor, microwave sensor

Detection Mode

PIR + Microwave

Sensitivity

3 levels adjustable

Detection Range

12 m  (90°) with installation height of 2.2 m

Detection Speed

0.3 m/s–3 m/s

Microwave Frequency

24 G

Pet Immunity Level

≤ 18 kg, height < 50 cm

White Light Resistance Leve

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

Carrier Frequency

868.0 MHz–868.6 MHz

Communication Mechanism

Two-way

Communication Distance

Up to 1,600 m  in an open space

Encryption Mode

AES128

Frequency Hopping

Yes

Power Supply

CR123A × 1

Battery Life

3 years (If triggered 10 times a day with a battery efficiency

Power consumption

Max. 615 mW

Operating Temperature

Indoor: –10 °C to +55 °C

Certified temperature

–10 °C to +40 °C

Operating Humidity

10%–90% (RH)

Product Dimensions

104.0 mm × 60.0 mm × 50.0 mm

Packaging Dimensions

135.0 mm × 98.5 mm × 56.8 mm

Net Weight

106 g

Gross weight

184 g

Installation

Wall mount, Ceiling mount (With the bracket ARA33)

Casing Material

PC + ABS

Certifications

CE