This Ring Alarm Window and Door Contact Sensor is a must-have for anyone looking to secure their home or office. The wireless and Wi-Fi-enabled sensor is compatible with Ring devices and can be easily installed indoors. With its Z-Wave technology, it provides reliable connectivity and can be controlled remotely using a smartphone or tablet. The sensor is a 2nd generation device with Bluetooth and battery features. It comes in a sleek white color and is made by the trusted brand, Ring. This unit is perfect for those who want to keep their home or office secure without any hassle.