Specifications: 125Khz, RFID type, only compatible with the RFID 125Khz Card Reader. Excellent quality Artificial environmental protection materials, texture, silky, feel comfortable Operation Frequency : 125KHz Standard : EM4100 compatible Material : PVC; With Double-sided pvc clear film Color : White Size : approx. 85 x 55 x 0.8 mm (3.35in*2.15in*0.03in) Operation Temperature : -40?to 85? Compatible with all ID door access devices or ID reader Contactless transmission of data and supply energy Ideal for use in ID and access control with card ID printing 18-digit ID number on each card is unique Note: Please notice that our RFID cards cannot be compatible with some encrypted readers, for example: UHF reader and encrypted readers, for example, HID, Indala,Cobra, APCiK ,Paradox,Radio, etc. See more

NOTE: Compatible with the RFID 125Khz Card Reader; Contactless transmission of data, Only can be read, can't be rewritten, programmed or used to copy other RFID cards. Suitable for Door Entry Access Control System and Attendance etc;. Compatible with all ID door access devices or ID reader;. Material : PVC ; With Double-sided pvc clear film; and Waterproof. Standard RFID Card,125Khz ;EM4100;Reader Distance: 1-8cm;.