Child anti-lost alarm YL-503

Product characteristic outline£º
Child tracker, easy use and good price:
Wear the bracelet on the child's wrist, and receiver secured to the parent.
Set a safty distance, when the child is out of the safty distance, the reiceiver will beep and vibrate to remind the parent. Technology has been improved, the Distance now can reach 25 meters.

Specification:
* no radialization
* 1-1 matching, no false alarm
* Beep and vibrate to alarm
* freely set the distance from 0-25 meters
* Transmitter current : 1MA
* Receiver current : 2MA
* Warning current : 40MA
* Temperature : -5-70
* Humidity : 90
* Frequency : 433.92MHZ