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

Description：

100% Brand New

   Card type: ID CARD

Size:36*26*6.6mm

Material: PVC

Detecting distance: 3-10cm

   Color: Blue

  Compatible with all Door Entry system

   

   asy to carry

Water resistant

Each comes with Key ring included

No external power required.

Brand new key inductive card for entrance guard system.

if you want other color,please contact me