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AI Empowering a Smarter, Safer, and Sustainable Traffic: Dahua Unveils Latest ITS Solutions at Intertraffic Amsterdam 2026

2026-03-13

AI Empowering a Smarter, Safer, and Sustainable Traffic: Dahua Unveils Latest ITS Solutions at Intertraffic Amsterdam 2026

ARA24-W2

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ARA24-W2

Dahua Wireless Keyfob

Key Points
    · Supports SOS emergency alarm
    · SOS button can be switched to Control mode
    · Frequency hopping function and two-way communication technology ensure communication stability
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Datasheet

Specifications

Function

Indicator Light 1 × two-color status indicator (green: normal, red: abnormal)
Button 4 (Home, Away, Disarm, and SOS)
Remote Update Cloud update
Low Battery Detection Yes

Wireless

Carrier Frequency 433.1 MHz–434.6 MHz
Transmitter Power (EIRP) Limit 10 mW
Communication Mechanism Two-way
Communication Distance Up to 500 m (1,640.42 ft) in an open space
Encryption Mode AES128
Frequency Hopping Yes

General

Power Supply CR2032 battery
Battery Life 3 years
Power Consumption Max. 85 mW
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)
Net Weight 20 g (0.04 lb)
Gross Weight 65 g (0.14 lb)
Casing Material PC + ABS
Certifications CE
Anti-corrosion Level Basic Protection
Packaging Dimensions 135.0 mm × 98.5 mm × 27.8 mm (5.31" × 3.88" × 1.09") (L × W × H)

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