There are a range of products so it’s hard to tell without knowing the manufacturer and model of the motion detector that you have so it can be researched to know if it can work. If there are more than two wires for a wired motion detector then it’s likely to require external power and be incompatible with the retrofit alarm kit panel. A new Ring motion detector runs $30.00 with a 15% discount if you first subscribe to Professional Plus alarm monitoring.
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