100-pack 125KHz RFID keyfob, blue, w ATA5577 T5577 read/write rewritable IC fob
100 Pack 125KHz RFID Keyfobs, blue, - Read Write - Proximity Access Control 125Khz RFID Proximity ID Keyfobs Colour : Blue / Grey Water resistant design, Shell material: durable hard plastic IC: T5577 (ATA5577)