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Dahua · Alarms

Dahua DHI-ARD822-W2 Wireless Panic Button

Model / SKU: DHI-ARD822-W2

Dahua DHI-ARD822-W2 Wireless Panic Button. The Dahua DHI-ARD822-W2 Wireless Panic Button is designed for quick emergency responses, featuring two-way RF communication for reliable signaling. It uses multiple LED colors to indicate various statuses, enhancing usability. This device supports cloud updates and can automatically recover from update failures, ensuring it remains functional. It has a design that prevents accidental activation and is rated IP54 for protection against dust and water. With a communication range of up to 1,300 meters in open spaces, it’s versatile for indoor and outdoor use. Key Features Two-way RF communication. Provides multiple LED colors to indicate different statuses. Cloud update and automatic recovery from update failure. Offers accidental press prevention. IP54 rated. DHI-ARD822-W2 Datasheet The Dahua DHI-ARD822-W2 Wireless Panic Button is a vital safety device designed for quick emergency notifications. Featuring a two-way RF communication system, it ensures reliable and instant signaling over distances of up to 1,300 meters in open spaces. The button is equipped with multiple LED indicators that display different statuses, aiding in clear communication. It supports cloud updates, allowing for easy maintenance and automatic recovery in case of update failures. Designed to prevent accidental presses, it offers peace of mind for users in various settings. Rated IP54, it is protected against dust and water, making it suitable for both indoor and outdoor environments. Additionally, the device provides low battery detection and battery level display via an app, ensuring users are always informed. Its compact dimensions and lightweight design make it easy to mount or carry. With a battery life of up to three years with regular use, the DHI-ARD822-W2 combines durability with functionality for effective safety management. Dimension Application Technical Specifications Function Indicator Light 1 for multiple statuses (pairing, communication, and operation) Remote Update Cloud update Button 2 Signal Strength Yes Low Battery Detection Yes Battery Level Display Displays battery level on app Wireless Carrier Frequency 433.1 MHz–434.6 MHz Communication Distance Up to 1,300 m (4,265.09 ft) in an open space Communication Mechanism Two–way Encryption Mode AES128 Frequency Hopping Yes General Operating Temperature –10 °C to +55 °C (+14 °F to +131 °F) (indoor) Operating Humidity 10%–90% (RH) Power Supply 1 × CR2032 Battery Life 3 years (if used twice a week) Product Dimensions 55 mm × 36 mm × 14.2 mm (2.17″ × 1.42″ × 0.56″) (L × W × H) Packaging Dimensions 95 mm × 59.5 mm × 30.5 mm (3.74″ × 2.34″ × 1.20″) (L × W × H) Installation Wall mount; portable Net Weight 18 g (0.04 lb) Gross Weight 48 g (0.11 lb) Certifications CE Casing Material PC + ABS Protection IP54 Technical Operating Current 28 mA Test Mode Yes