0-25m Electronic Wireless Safety Personal Reminder Alarm Keychain Device

·  Anti-lost alarm

·  Electronic personal reminder alarm

·  High quality

·  Best price

Specifications:

Wear the small part on the bag, purse, mobile phone, 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  preset distance, the big part will emit alarm sound and vibrate to remind the owner that the protected things has already left the safe distance, it has been stolen or forgotten.