Wireless personal alarm with the best price and quality. Stable working distance. Personal use: Alarm when the protege leave.

Auto personal alarm to protect the mobile phone.  When you forget to take the mobile phone or your mobile phone was sotlen, the keychain will sound alarm.

Can be also used for the child/wallet/keychain/pet.* no radialization     * 1-1 matching, no false alarm  * Beep and vibrate  to alarm      * Working distance is 0-30 meters.     * Transmitter current : 1.2MA     * Receiver current : 0.8MA     * Warning current : 20MA      * Temperature : -15-70     * Humidity : 90     * Frequency : 433.92MHZ

* Alarm sound: 85DB.

wireless personal alarm