R311A-Wireless Window Sensor
When the window is opened, R311A sends an alarm message to the control center. R311A utilizes the latest ultra-low power consumption technology and requires no wiring. It requires just button batteries to support its operation. The wireless communication is based on LoRaWAN™ protocol (Class A).
2 x CR2450 3V button batteries
Simple operation and device configuration
Reports battery voltage and window/door status