Wear the small part on the bag, purse, MP, etc. Wear the big part on the owner, set a distance 0-25 meters, Wear the small part on the bag, purse, MP, etc. Wear the big part on the owner, set a distance 0-25 meters, when the protected thing left the owner (stolen, or forgotten) more than this set distance, the big part will sound alarm and vibrate to remind the owner that the protected things has ...
