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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
1 mm × 79
Detectable Speed: 0
Note: DC adapter is not included in the package
Built-in dual microphones and one speaker supporting two-way talk
Dahua DHI-ARD323-W2(S) Wireless Alarm Door Detector Contact Dahua XVR 1 mm × 79ARD323 W2(S) Wireless Door Detector Signal Strength Detection Low Battery Alarm Temperature Measurement Frequency Hopping & Two Way Communication Ensures stable communication. Cloud Update & Auto Recovery Prevents update failures. Specifications Port & Indicators Indicator Light: 1 Green Alarm Indicator Button: 1 Power Button Functions Tamper Alarm: Yes Remote Upgrade: Cloud Update Low Battery Alarm: Yes Test Mode: Yes Signal Strength Detection: Yes
