ARD323-W2(S)

Dahua wireless reed switch white detection gap 40mm plastic surface mount 433mhz 1 x cr123a battery (3.3v)

Wireless door detector is a detector consisting of a sensor and a magnet that can trigger an alarm when an armed door is opened. It can display the open and close state of doors and windows on the DMSS App in real time, and provides timely notifications of alarm events when armed, acting as a monitoring mechanism.

• 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.