The Dahua ARD1233-W2 is a wireless passive infrared (PIR) motion detector designed for Dahua alarm systems. It provides reliable indoor motion detection using advanced PIR sensing, digital processing, and RF communication with Dahua wireless alarm hubs.

The detector supports pet immunity, reducing false alarms caused by small animals, and features two-way wireless communication for status supervision and configuration. Its low-power design ensures long battery life, making it suitable for residential, office, and small commercial security installations.

It integrates seamlessly with Dahua wireless intrusion alarm panels and can be installed quickly without running cables. The device monitors tamper, battery status, and signal strength to ensure stable operation in professional security deployments.