Dahua Wireless Door Detector

ARD323-W2(868) Wireless door detector > Signal strength detection. > Low battery alarm. > Temperature measurement. > Frequency hopping function and two-way communication technology ensure communication stability. > Cloud update and automatic recovery from update failure. Specifications Accessories Download Product Selector 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 868.0 MHz–868.6 MHz Communication Distance Up to 1,200 m (3,937.01 ft) in an open space Communication Mechanism Two-way Frequency Hopping Yes Encryption Mode AES128 General Power Supply CR123A battery Power Consumption Max. 125 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 5 years Casing Material PC + ABS Temperature Measuring Range –15 °C to +65 °C (+18.8 °F to +149 °F) (indoor) Measuring Precision ± 1 °C (± 33.8 °F) Resolution 1 °C (33.8 °F) Specification Sensor Reed Switch Scenario Non-metal doors Movement Distance Peripherals External Zone 1-channel dry contact input