Dahua ARD323-W2(868S) wireless alarm system smaller door sensor – 40mm tolerance temp 868MHz

Low gauge magnetic contact sensor for Dahua wireless alarm system

• Encrypted (AES128) communication between the sensor and the control centre on 868.0 MHz-868.6 MHz, distance up to 1200m in direct line-of-sight mode.
• Battery power supply (CR123A included), maximum power 125mW
• Additional contact input for connection of a separate sensor
• For installation on non-metallic doors, response distance (tolerance) up to 40mm
• Battery discharge and ambient temperature monitoring, operating temperature -10 °C to +55 °C, plastic housing.
• System management and day-to-day use is done through the DMSS app, the installer level app is COS PRO.
• The DMSS app provides real-time information on the closed or open status of sensor-equipped doors or windows.

With normal use and good coverage, a single battery lasts up to 5 years.