50 pcs EM 4100/4102 Keychains 125Khz RFID Proximity ID Card Token Tags Key Fobs

Description

Description 100% Brand New Card type: EM CARD Size:36*26*6.6mm Frequency: 125KHz. Material: PVC Detecting distance: 3-10cm Color: Blue Compatible with all Door Entry system Easy to carry Water resistant Each comes with Key ring included No external power required. Brand new key inductive card for entrance guard system. 50pcs/lot