elockpicker
Member level 4
Hi,
Today I was at the library and found this (the picture is included).
I think this is used as the security system (anti shoplifting) ,It looks like an inductor ?
Can anyone please tell me what it is ?
Thank you very much.
Today I was at the library and found this (the picture is included).
I think this is used as the security system (anti shoplifting) ,It looks like an inductor ?
Can anyone please tell me what it is ?
Thank you very much.