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 left the safe distance (stolen or forgotten). 

1 no radialization 2 256*256 codes  3 Warning tone to alarm  4 freely set the distance from 0-25M 5 Transmitter current : 2MA 6 Receiver current : 5MA 7 Warning current : 70MA  8 Frequency : 433MHZ

Transmitter44H×28W×8.7D WT9.3gwith battery BatteryCR2032×1 Acceptor:60H×36W×15D WT35.5gWithout battery Battery#7×1 Carton: 79cmX36cmX23cm  200PCS/CT NW:13.2kgs  GW:14.2kgs