The Philio Window Alarm Sensors are battery-powered. Its Window Alarm Sensor operation under the z-wave standard guarantees compatibility with the Ezlo system. The Window Alarm Sensors expand the system’s capabilities by monitoring open doors, windows, and garage door alarm window sensors. Installation of the Window Alarm Sensors in your home increases the safety and comfort of its inhabitants. It will provide the Ezlo Controller with additional information, which can be used to control other components of the alarm sensors for doors Ezlo system.