125KHz RFID Access Control Key Chain Proximity Key Chain Smart ID Card Door Electric Lock System NFC Token Tag Blue

Features RFID Key Tags Waterproof Access Control Proximity Door Each keyring unique identification number Suitable 125KHZ card reading reading distance 0-10cm Widely used apartment office park other places ABS material Reading only not writable Product Description Material waterproof ABS Colour blue Support read-only non-writeable Working frequency 125 kHz Each keyring metal key ring unique identification number