Wireless anti losing alarm 1.freely set the distance from 0-25M 2.Frequency : 433Mhz 3.Mini style 4.Can d o OEM

Wireless anti-lost alarm

* no radicalization * 256*256 different codes  * Beep & vibration to alarm  * freely set the distance from 0-25M * Receiver current : 5MA * 1-1 matching, no interference   * Frequency : 433.92MHZ Transmitter36.3mm x Thickness 13.2mmWT25gwith batteryBatteryLithium CR2032×1 Receiver:60×36×15WT35.5gwithout batteryBattery#7×1

Wireless anti lost,anti losing alarm