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1year
Sorry, there was a problem. Please try again later.They should last 10-12 months. I had 2 windows that would drain the battery is 2 weeks. Had to replace them. New ones last like they are supposed to.
Sorry, there was a problem. Please try again later.Hello Joe, The Ring Alarm Contact Sensor uses two CR 2032 coin cell batteries(included in box). Average battery life is about 3 years. For more details and information on Ring Alarm Contact Sensor please visit our website: https://support.ring.com/hc/en-us/articles/360039497552 Also, Ring Community was launched to help deliver the most current news and educational information to our neighbors. This online forum is divided into four categories: Product Boards, Ring Updates, Tips + Tricks, and a Moderators’ Corner. The Product Boards are where you can begin new topics with your questions or feedback; there is also a search option that helps you find topics that have already been posted by other neighbors. We invite you to visit our site at https://community.ring.com/ today! Thank you, Antonio from Ring
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