Dahua DHI-ARD323-W2(S) Wireless Door Detector

The Dahua DHI-ARD323-W2(S) Wireless Door Detector is a compact security device designed to detect the opening or closing of doors or windows. It uses a magnetic sensor and provides real-time updates through the DMSS app, notifying users when a door is opened while the system is armed. The detector operates on a CR123A battery, offering a long battery life of up to 4 years. It features two-way communication, ensuring stable connectivity through frequency hopping technology. The device has a low battery alert and tamper detection, which activates if the device is compromised. It supports wireless communication at distances up to 1,000 meters in open spaces and provides detailed information, such as temperature measurements and signal strength detection. Installation is straightforward, with a bracket mount, making it suitable for homes, apartments, and small businesses. The device also allows for remote firmware updates via the cloud, ensuring it remains up-to-date without manual intervention. Dimension Application Technical Specifications Port Indicator Light 1 × green alarm indicator Button 1 × power button Function Tamper Alarm Yes Remote Upgrade Cloud update Low Battery Alarm Yes Test Mode Yes Search Signal strength detection Wireless Carrier Frequency 433.1 MHz–434.6 MHz Communication Distance Up to 1,000 m (3,280.84 ft) in an open space Communication Mechanism Two-way Frequency Hopping Yes Encryption Mode AES128 General Power Supply CR123A battery Power Consumption Max. 70 mW Operating Temperature –10 °C to 55 °C ( 14 °F to 131 °F) (indoor) Operating Humidity 10%–90% (RH) Product Dimensions 100.2mm × 20.8mm × 20.3mm (3.94”× 0.82” ×0.80”) (L × W × H) Packaging Dimensions 135.0 mm × 98.5 mm × 27.8mm (5.31″ × 3.88″ × 1.09″) (L × W × H) Installation Bracket mount Net Weight 70 g (0.15 lb) Gross Weight 115 g (0.25 lb) Certifications CE Battery Life 4 years (The external input type is NO) 2 years (The external input type is NC or Pulse) Casing PC ABS Temperature Measuring Range –15 °C to 65 °C ( 5 °F to 149 °F) (indoor) Measuring Precision ±1 °C (±1.8 °F) Resolution 1 °C (33.8 °F) Specification Sensor Reed Switch Scenario Non-metal doors Movement Distance < 40 mm (1.57″) Peripherals External Zone 1-channel dry contact input SKU: DHI-​ARD32‌3-​W2(S) Categories: Dahua, Dahua Airshield Wireless Alarms Tags: dahua door detector, DHI-ARD323-W2(S), door detector, Wireless Door Detector