thanks alot!

lol. what is that mean? i dont get it

Thank twotwopig for your reply.
So i can more certain that it is a alarm siren or a standard alarm system.
Not a camera or stuff and monitoring our activity

Thank you for your reply gillybean.
So that is not a camera? then that will be a relief for me.

Hi all
I am new to this forum. Help you guys can help me out.
I have found my neighbour had put on a camera thing facing to my backyard lately.
Just to…