The RFID kit (including a keychain tag, bracelet, and stickers) allows you to effortlessly unlock the Reach 2. Our industry-leading RFID encryption makes sure that the device is secure from hacking. Follow the easy instructions to add it to your device and use it as another way to unlock your gun. It only takes 0.1 seconds for Reach 2 to read a registered RFID tag. In the box: RFID keychain tag RFID bracelet