Features:
125Khz Door Entry Access Proximity RFID Card Wht 10 Pcs
125Khz operating frequency.
Pre-programmed with unique ID number.
Compatible with all ID door access devices or ID reader.
Contactless transmission of data and supply energ.
Note: Users need to programme the 10 digits ID number which has print on the card, for example, 0008198223.

Specifications:
Material: Plastic
Size: 85x5x0.9mm/3.34"x2.16"x0.035"(L*W*H)
Operation Frequency: 125Khz
Standard: FK 100
Capacity: 64Bit
Reader Distance: 5-12mm
Color: White

What's included:
50 Pcs x RFID TK4100 Cards

If there is any questions, just contact us, we will alway be here for you.