The Ring Alarm Outdoor Contact Sensor provides peace of mind for your outdoor spaces. This weather-resistant device sends instant mobile alerts when your gate opens, keeping you informed and secure. Whether you're home or away, you'll have peace of mind knowing that your property is protected. The sensor seamlessly integrates with the Ring Alarm or Alarm Pro systems (sold separately), providing an extra layer of security for your home. Protect your outdoors with the Ring Alarm Outdoor Contact Sensor, offering instant alerts and seamless integration with your Ring system.What's in the Box? Ring Alarm Outdoor Contact SensorSpecifications: Brand: Ring Power: 2x AA Alkaline Battery (not included) Setup Requirement: Ring Alarm or Alarm Pro (sold separately) Weather Resistant Rating: IP66 Operating Temperature: -4°F to 120°F Dimensions (sensor + magnet): 3.16"  x 2.32" x 1.22" Weight: 4.8 oz. Limited Quantity Available 90 Day Warranty