DAHUA SENSOR WRL DOOR MAGNETIC/868MHZ ARD323-W2

— 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.
— Carrier Frequency: 868.0 MHz–868.6 MHz
— Communication Distance: Up to 1200 m in an open space, Two-way
— Encryption Mode: AES128
— Power Supply: CR123A battery
— Battery Life: 5 year
— Operating Temperature: –10 °C to +55 °C
— Product Dimensions: 100.2mm × 20.8mm × 20.3mm
— Temperature Measuring Range: –15 °C to +65 °C
— Reed Switch, Non-metal doors, Movement Distance