Dahua Alarm Wireless Sensor Door Detector Plus ARD324-W2(868)

• Displays the temperature of the surrounding environment and supports the overheating alarm
• Frequency hopping and two-way communication technology ensure that communication is stable
• Supports cloud update and automatically restores when cloud update fails
• Supports jamming detection and communication encryption
• Supports tilt and shock detection, and generates alarms when the event happens

Input/Output

• Alarm Input : 1(Normally Closed;Normally Open;Impulse Count)

Function

•  Indicator Light : 1 × green alarm indicator 
• Button : 1 × power switch
• Remote Update : Cloud update
• Low Battery Detection : Yes
• Tamper : Yes
• Measuring Range (Temperature) : Indoor: –15 °C to +65 °C
• Measuring Accuracy : ±1 °C

Technical

• Sensor : Triaxial accelerometer, reed switch
• Movement Distance : < 40 mm
• Test Mode : Yes
• Scenario : Non-metal doors
• Operating Current : 12 uA
• Alarm Current : 2.3 mA

Wireless

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

General

• Power Supply : CR123A × 1
• Battery Life : If triggered twice a day with a battery efficiency of 70%:
• 3 years (The external input type is NO) : 1.5 years (The external input type is NC)
• Power Consumption : 167 mW
• Operating Temperature : Indoor: –10 °C to +55 °C
• Operating Humidity : 10%–90% (RH)
• Storage Temperature : –10 °C to +55 °C
• Storage Humidity : 10%–90% (RH)
• Product Dimensions : 100.2 mm × 20.8 mm × 20.3 mm 
• Packaging Dimensions : 135.0 mm × 98.5 mm × 27.8 mm (5.32" ×  3.87" × 1.09")
• Net Weight : 70 g
• Gross Weight : 115 g
• Installation : Bracket mount
• Casing Material : PC + ABS
• Certifications : CE