I bought them to make a project but I'm 80 and I forgot weather they did timing or monitoring of something. If you can help, I won't have to throw 3 of them away.

I bought an item in 2018 and would like to reorder it. There is no model or part # on item. | Ask a Mentor

I bought an item in 2018 and would like to reorder it. There is no model or part # on item. | Ask a Mentor | eBay Community