These EM ID key fobs are perfect for access control. 

Features: 
Works as regular 125KHz EMID key fob. 
Includes 10pcs key fobs totally. 
Perfect for using in access control. 

Specifications: 
Color: Red 
Material: ABS 
Quantity: 10pcs 
Frequency: 125KHz 
Temperature: -10°C to 50°C 
Size(1pc): 43 * 30mm / 1.7 * 1.18in 
Weight: Approx. 6g / 0.23oz 
Package Weight(10pcs): 62g / 2.21oz 

Package List: 
10 * Key Fob