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

This is EM4100/4102 ,is Read-only, not programable,not HID!!!!

Description

• 100% Brand New
• Card type:EM 4100/4102 125Khz ID CARD
• Size:42*30*4.2mm
• Material: PVC
• Detecting distance: 3-10cm
• Color: Blue/white
• 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.

100pcs/lot