I have a 30 year old wired security system for windows and doors on the ground floor. One of the pins is in the bottom window that we just replaced. I attached them to the new bottom window myself rather than hiring the security company or selling my wireless system. They work fine.
50Pcs Neodymium Magnets With Countersunk Hole And Stainless Screws - Strong Rare Earth Magnets Disc For Locker, Tool Storage, Crafts By MIKEDE
42 Review
Powerful Neodymium Bar Magnets With Double-Sided Adhesive - Ideal For Home, Office & Scientific Uses - Pack Of 16 Magnets
40 Review
Pack Of 12 MIKEDE Neodymium Bar Magnets - Strong Rare Earth Metal Magnets With Double-Sided Adhesive - 60 X 10 X 3 Mm Size
41 Review
Power Up Your Projects With MIKEDE Cube Neodymium Magnets - Super Strong Rare Earth Magnets For Science And DIY
31 Review