Dahua Alarm Automation Input Expander ARM310-W2(868)

• 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

Port

• Indicator Light : 1 × green alarm indicator
• Button : 1 × power button
• Protection Zone : 1-channel dry contact input

Function

• Tampering 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 Mode : CR123A battery
• Power Consumption: Max. 125 mW
• Operating Temperature : –10 °C to +55 °C (indoor)
• Operating Humidity : 10%–90% (RH)
• Dimensions : 100.2mm × 20.8mm × 20.3mm
• Package Dimensions : 135.0 mm × 98.5 mm × 27.8mm
• Installation Mode : Bracket mount
• Net Weight : 70 g
• Gross Weight : 115 g
• Certification : CE
• Battery Life : 4 years (The external input type is NO) / 2 years (The external input type is NC or Pulse)
• Casing Material : PC + ABS

Temperature

• Measurement Range : –15 °C to +65 °C  (indoor)
• Measurement Precision : ±1 °C
• Resolution : 1 °C