milandjurovic71:
I only use Ring Contact sensors Gen2. They work flawlesly. I don’t have single one that failed for any reason. Batteries last for more than a year or two. I have replaced batteries only once on 3 sensors that are used on main entrance and patio doors, and on kitchen window. All other sensors have original batteries since these Gen2 sensors were released (3 or 4 years ago). They don’t loose conection eather. All other contact sensors that i tried, had shorter battery life of 3-6 months or they needed repeater. I have left only one Zooz Contact sensor due sensor size (using it in mailbox), but battery life is not great during winter (Chicago area) as it gets cold.
My Ring Gen2 sensors picked up the Z-Wave Sensor CS driver since I had it installed for some Ecolink and Aeotec sensors. It works flawlessly with the Ring sensors as well.
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