Ring Flood & Freeze Sensor compatible with Ring Alarm and Ring Alarm Pro systems. This is an open-box item. The original box has been opened and shows visible tearing and wear, as shown in photos. The device itself appears unused and includes the sensor and original printed materials. Important Activation / Registration Disclosure: This device has not been tested or activated by me. Registration status is unknown. As with many open-box smart home devices, if the unit was previously registered, assistance from Ring Support may be required to complete setup. Security Notice: Serial numbers, QR codes, and Z-Wave setup codes have been intentionally obscured in listing photos for security purposes. Serial numbers are documented prior to shipping. Please review all photos carefully to assess box condition before purchasing. Ships same or next business day. Smoke-free home. Offers welcome. Keywords: This Ring Flood and Freeze Sensor is a smart home accessory designed for use with Ring Alarm and Ring Alarm Pro systems. Using Z-Wave technology, it provides alerts for water leaks and freezing temperatures to help protect homes, basements, and utility areas. Ideal for buyers looking for Ring alarm accessories, smart leak detectors, freeze sensors, or Z-Wave smart home devices at a discounted open-box price.