Dahua Alarm Wireless Door Detector - ARD323-W2 -

Wireless door detector

• Signal strength detection
• Low battery alarm
• Temperature measurement
• Frequency hopping function and two-way communication technology ensure communication stability
• Cloud update and automatic recovery from update failure

Port

• Indicator Light : 1 × green alarm indicator
• Button : 1 × power button

Function

• Tamper Alarm : Yes
• Remote Upgrade: Cloud update
• Low Battery Alarm : Yes
• Test Mode : Yes
• Search : Signal strength detection

Wireless

• Carrier Frequency : 868.0 MHz–868.6 MHz
• Communication Distance : Up to 1,200 m in an open space
• Communication Mechanism : Two-way
• Frequency Hopping : Yes
• Encryption Mode : AES128

General

• Power Supply : CR123A battery
• Power Consumption : Max. 125 mW
• Operating Temperature : –10 °C to +55 °C (indoor)
• Operating Humidity : 10%–90% (RH)
• Product Dimensions : 100.2mm × 20.8mm × 20.3mm (L × W × H)
• Packaging Dimensions : 135.0 mm × 98.5 mm × 27.8mm (L × W × H)
• Installation : Bracket mount
• Net Weight : 70 g
• Gross Weight : 115 g
• Certifications : CE
• Battery Life : 5 years
• Casing Material : PC + ABS

Temperature

• Measuring Range : –15 °C to +65 °C (indoor)
• Measuring Precision : ± 1 °C 
• Resolution :1 °C
• Specification
• Sensor : Reed Switch
• Scenario : Non-metal doors
• Movement Distance : < 40 mm 

Peripherals

• External Zone : 1-channel dry contact input