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Dahua · Alarms

Dahua DHI-ARA24-W2 Wireless Alarm Keyfob Remote

Model / SKU: DHI-ARA24-W2

Dahua DHI-ARA24-W2 Wireless Alarm Keyfob Remote. The all-new industrial design and advanced technological system make the new generation of wireless alarm products easier to install, more aesthetically pleasing, and more reliable in communication and performance. Through the mobile apps DMSS (for end users) and COS Pro (for installers), users can receive real-time notifications, control and manage devices, perform remote operations, and more. Key Features SOS emergency alarm Frequency hopping function and two-way communication technology ensure communication stability Cloud update and automatic recovery from update failure DHI-ARA24-W2(868) Datasheet The Dahua DHI-ARA24-W2 Wireless Alarm Keyfob Remote is a versatile, compact device designed to enhance home security by providing remote control over your alarm system. It features four functional buttons (Home, Away, Disarm, and SOS) that allow for quick control of different security modes. This keyfob operates with two-way communication technology and frequency hopping, ensuring reliable signal transmission and protection against interference. It supports cloud updates, which help keep the device up-to-date and secure. Additionally, the keyfob is powered by a long-lasting CR2032 battery, with an expected life of three years. Its communication range extends up to 900 meters in open spaces, making it suitable for various settings like homes, apartments, and shops. The device is lightweight, weighing just 20 grams, and is designed to operate efficiently within a wide temperature range, from -10°C to +55°C. The SOS emergency alarm function provides added safety by allowing immediate alerts in case of emergencies Dimension Application Technical 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 Transmitter Power (EIRP) Limit 25 mW 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. 100 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) 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 EN 50131-1:2006+A1:2009+A2:2017+A3:2020 EN 50131-6:2017 EN 50131-5-3:2017 EN 50131-3:2009 Security Grade 2 Environmental Class II Casing PC + ABS Battery Life 3 years