Dahua alarm ARD1233-W2(868)

Wireless PIR detector
Pet immunity function.
Auto temperature compensation.
3-level sensitivity adjustment.
Signal strength detection.
Low battery alarm.
Temperature monitoring.
Frequency hopping function and two-way communication technology ensure communication stability.
Cloud update and automatic recovery from update failure.

Indicator Light
1 × green alarm indicator

Button
1 × power button

Function
Tamper Alarm
Yes

Remote Upgrade
Cloud update

Search
Signal strength detection

Test Mode
Yes

Low Battery Alarm
Yes

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

Encryption Mode
AES128

Frequency Hopping
Yes

General
Power Supply
CR123A battery

Power Consumption
Max. 120 mW

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

Operating Humidity
10%–90% (RH).

Dimensions
104.0 mm × 60.0 mm × 50.0 mm (4.09" × 2.36" × 1.97") (L × W × H)

Package Dimensions
135.0 mm × 98.5 mm × 56.8 mm (5.31" × 3.88" × 2.24") (L × W × H)

Installation Mode
Wall mount

Net Weight
100 g (0.22 lb)

Gross Weight
170 g (0.37 lb)

Certifications
CE
EN 50131-1:2006+A1:2009+A2:2017+A3:2020
EN 50131-2-2:2017
EN 50131-6:2017
EN 50131-5-3:2017

Security Grade 2
Environmental Class II

Battery Life
4 years

Casing
PC + ABS

Temperature
Measuring Range
–15 °C to +65 °C (+18.8 °F to +149 °F) (indoor)

Measuring Precision
± 1 °C (± 33.8 °F)

Resolution
1 °C (33.8 °F)

Specification
Detection Mode
PIR

Sensor
Dual-element low-noise PIR sensor

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)

Pet Immunity Level
? 18 kg (39.68 lb)

White Light Resistance Level
2000 lx

Two-way Digital Temperature Compensation
Yes, no attenuation of detection distance in high temperature

Sensitivity
3 levels adjustable