100pcs of Proximity Identification 125Khz RFID EM 4100 Keyfobs Green Specifications: Operation frequency: 125Khz Detecting distance: 8-20cm Each token pre-programmed with unique ID which is printed on it
100pcs RFID/EM 4100 125Khz Proximity Token Tag Key Keyfobs Button Red Specifications: Operation frequency: 125Khz Detecting distance: 8-20cm Each token pre-programmed with unique ID which is printed on it Each comes with Key ring included.
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