Netvox Indoor Window & Door Sensor NL Compatibility

When the window is opened, Z311A sends alarm message to the control center. Z311A utilizes the latest ultra-low power consumption technology and requires no wiring. It requires just button batteries to support its operation. When the door or window is opened, this sensor sends an alarm message. It utilizes the latest ultra-low power consumption technology and requires no wiring. It requires just button batteries to support its operation. This sensor is compatible with the NighLock door barricade hardware (sold separately).