Compatible with Yale Smart Alarm Window and Door Open/Closing Detection Weatherproof Real-Time Alerts Add up to 100 alarm accessories Outdoor Window/Door Contact The Yale Outdoor Door/Window Contact allows you to protect the outside of your home to detect any potential intrusions before they take place. Place the device on any door or window outside (gates, sheds, garages and outbuildings).Monitor the status of your gate, shed, garage, or outbuilding up to 1km from the Yale Smart Hub. You can receive real time alerts via the app whenever your alarm is activated or its status changes. The device is weather resistant with a dual installation method (3M tape - ideal for renters, or fixings) to suit your specific needs.Perimeter securityStay steps ahead with the Outdoor Window/Door Contact, designed to detect any potential incidents before they occur. Ensuring that no area in your home is left unprotected. Easy monitoringReceive real time alerts as soon as an outside window/door is opened