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.

Specifications:  
Model Number DA-ARD323-W2-868S
Port
Indicator Light 1 x green alarm indicator
Button 1 x power button
Function  
Tamper Alarm Yes
Remote Upgrade Cloud Update
Test Mode Yes
Low Battery Alarm Yes
Search Signal Strength Detection
Wireless  
Carrier Frequency 868.0 MHz–868.6 MHz
Communication Distance Up to 1,200 m (3,937.01 ft) 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 (+14 °F to +131 °F) (indoor)
Operating Humidity 10%–90% (RH).
Product Dimensions 100.2mm × 20.8mm × 20.3mm (3.94”× 0.82” ×0.80”) (L × W × H)
Packaging Dimensions 135.0 mm × 98.5 mm × 27.8mm (5.31" × 3.88" × 1.09") (L × W × H)
Installation Bracket mount
Net Weight 70 g (0.15 lb)
Gross Weight 115 g (0.25 lb)
Certifications CE
Battery Life

4 years (The external input type is NO)

2 years (The external input type is NC or Pulse)

Casing PC + ABS
Temperature  
Measuring Range –15 °C to +65 °C (+5 °F to +149 °F) (indoor)
Measuring Precision ± 1 °C (± 1.8 °F)
Resolution 1 °C (33.8 °F)
Specification  
Sensor  Reed Switch
Scenario Non-metal doors
Movement Distance < 40 mm (1.57")
Peripherals  
External Zone 1-channel dry contact input

Through our logistic partners we are able to deliver to most areas in the UK on a next business day service.
Our standard cut off time on the website for standard next day delivery is 4pm but you will still be able to call our sales team anytime up to 4:30pm to place an order.
We also offer a premium next day pre 12pm and pre 10:30am service to these areas as well as a Saturday and Saturday pre 10:30am delivery. For areas outside of here, such as the Highlands, Isle of Man and Channel islands we are able to provide a 2 business day service.

For orders outside of the UK please call 0121 663 6151 to speak to a member of the team who will be able to assist you.

Part Number DA-ARD323-W2-868S
Brand Dahua
Colour White
Range Dahua AirShield