100 pcs EM 4100/4102 Keychains 125Khz RFID Proximity ID Card /Tags /Keyfobs

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

Description:

• 100% Brand New
• Card type: ID CARD 125KHZ
• Size:35*42*5mm
• Material: PVC
• Detecting distance: 3-10cm
• Color: Yellow, Blue, Green, Red, Black
• 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.

Package:

• 100pcs/lot