Recommendations on any 2 in 1 window sensor?

Any recommendations on a window/door sensor that can output 2 windows? My old ADT system has a main sensor in the middle and 2 cables to each mini sensor of the sliding window (left and right). I would like to know if there is any similar product out there or I would have to buy 1 for each side

Why do you need to buy a new sensor at all? If you have a wired system you can upgrade it to ST through a couple of different projects. There’s Konnected or ST_Anything.

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