White Flush Magnetic Alarm Door Contact Detector Burglar System Reed Switch

Can this be used to turn led lights on in a cabinet with tambour door? The reed could be inset on the worktop and the magnet stuck to the bottom of th

How many years would this contact last? The wires are quite short and I don't want to have to change the contact every 5 minutes.

will this work with a honeywell alarm

Which terminal is which. I imagine the silver screws are the contacts fixings but what are the the three gold ones any specific sequence for a loop sy