These RFID tags are perfect for cloning existing RFID pass cards and key chains.

Features:
Works as regular 125KHz RFID key fob.
Includes 20pcs key fobs totally.
Perfect for cloning existing RFID pass cards and key chains.
Completely reusable, can be written over and over again.

Specifications:
Color: Blue
Material: ABS
Quantity: 20pcs
Frequency: 125KHz
Temperature: -10°C to 50°C
Package Weight: 101g / 3.59oz

Package List:
20 * Keyfob