Wireless input expander is a conversion device that connects to a detector through wired mode, and sends the message in wireless mode to the security system. It can be set up via the DMSS app for iOS and Android phones.

Key Features:

• Six types of alarm: intrusion, medical, fire, emergency, gas, and tamper.
• NC and NO are available for alarm inputs (NO by default).
• 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.

Specifications: 
Model NumberDA-ARM310-W2-868
Port
Indicator Light1x green alarm indicator
Button1x power button
Protection Zone1-channel dry contact input
Function 
Tamper Yes
Remote UpgradeCloud Update
Low Battery AlarmYes
Test ModeYes
SearchSignal strength detection
Wireless 
Carrier Frequency868.0 MHz–868.6 MHz
Communication DistanceUp to 1,200 m (3,937.01 ft) in an open space
Communication MechanismTwo-way
Frequency HoppingYes
Encryption ModeAES128
General 
Power SupplyCR123A battery
Power ConsumptionMax. 125 mW
Operating Temperature–10 °C to +55 °C (+14 °F to +131 °F) (indoor)
Operating Humidity10%–90% (RH).
Dimensions100.2mm × 20.8mm × 20.3mm (3.94" × 0.82"
×0.80")
Installation ModeBracket mount
Net Weight70 g (0.15 lb)
Gross Weight115 g (0.25 lb)
CertificationCE
Battery Life4 years (The external input type is NO)
2 years (The external input type is NC or Pulse)
Casing MaterialPC + ABS
Temperature 
Measurement Range–15 °C to +65 °C (+5 °F to +149 °F) (indoor)
Measurement Precision±1 °C (±1.8 °F)
Resolution1 °C (33.8 °F)

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-ARM310-W2-868
Brand Dahua
Colour White
Range Dahua AirShield