self defense alarm,Wireless anti-lost alarm YL-502

The main features of Wireless anti-lost alarm YL-501:

Innovative shape with the best quality
Use this product on your luggage, purse, cell phone, pet and even your children, you may enjoy the safety and easement feeling, because you needn't to worry about all the above to be lost.

Specification:
No radialization
Only 1/60000 chance for false alarm between two pairs.
Beep and Vibrate to alarm
Freely set the distance from 0-25 meters
Transmitter current:1.8mA
Receiver current:4mA
Warning current:70mA
Beep decibels:70DB
Frequency:433MHz
Size:Transmitter:33X28X11mm.
Reciever:46X38X15mm