The Ring Alarm Contact Sensor 6-Pack 2nd Gen is a set of white door and window sensors from Ring. This wireless and Wi-Fi connected device is designed for indoor use and comes with batteries included. The package includes 6 sensors, each requiring 1 lithium ion cell, with a compact size of 7.68x4.69x1.77 inches and a weight of 0.64 pounds. Perfect for monitoring 6 doors or windows in your home, this 2nd generation sensor is an essential part of your home surveillance system.
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