Description
 DHI-ARA24-W2(868) wireless key fob
 This Dahua Keyfob DHI-ara24-W2 is a remote control for the Dahua alarm system. With this keyfob, you can arm and disarm the alarm.
 4 buttons: Arm, Disarm, Home, SOS. Remote configuration, cloud upgrade, and status monitoring (via mobile app). Built-in battery for up to 5 years and supports low battery alarm. Frequency hopping, two-way communication, and AES128 encryption ensure stable and secure communication, with a range of up to 1,300 m in open space.
 Specifications:
-  Port
-  Indicator Light - 1 × two-color status indicator (green: normal, red: abnormal)
-  Button - 4 (Home, Away, Disarm, and SOS)
 
 Function
-  Remote Upgrade - Cloud update
-  Low Battery Alarm - Yes
-  Search - Signal strength detection
 
 Wireless
-  Carrier Frequency - 868.0 MHz–868.6 MHz
-  Communication Distance - Up to 900 m (2,952.76 ft) in an open space
-  Communication Mechanism - Two-way
-  Encryption Mode - AES128
-  Frequency Hopping - Yes
 
 General
-  Power Supply - CR2032 battery
-  Power Consumption - Max. 100mW
- Operating Temperature - –10 °C to +55 °C (+14 °F to +131 °F) (indoor)
-  Operating Humidity - 10%–90% (RH)
-  Product Dimensions - 60.0 mm × 39.5 mm × 15.0 mm (2.36" × 1.56" × 0.59")(L × W × H)
-  Packaging Dimensions - 135.0 mm × 98.5 mm × 27.8 mm (5.31" × 3.88" × 1.09") (L × W × H)
-  Net Weight - 20 g (0.04 lb)
-  Gross Weight - 65 g (0.14 lb)
-  Certifications - CE
-  Casing - PC + ABS
-  Battery - Life 5 years