This is 125KHz ID Proximity Card Door Access Control White. It is used in patrol system, attendance systems, access control systems, enterprise systems, radio frequency identification field etc..<!--Features --><p>FEATURES</p><UL class=p_f><LI>Exquisite appearance, durable, does not fade</LI><LI>You can put it in your card bag. Very easy to carry</LI><LI>This ID card spray one inner code on its surface</LI><LI>This card have no direction. It is very easy to be identified</LI><LI>Typical Applications: Patrol system, attendance systems, access control systems, enterprise systems, radio frequency identification field</LI></UL><!--Specifications --><p>Specifications</p><TABLE class=ke-zeroborder border=0 cellSpacing=0 cellPadding=0 width="100%"><TBODY><TR><TD width=131>Chip</TD><TD width=365>TK4100</TD></TR><TR><TD width=131>Operating Frequency</TD><TD width=365>125KHZ</TD></TR><TR><TD width=131>Sensing Distance</TD><TD width=365>8 - 20 cm</TD></TR><TR><TD width=131>Working Temperature</TD><TD width=365>-10 ~ +50→</TD></TR><TR><TD width=131>Material</TD><TD width=365>Plastic</TD></TR><TR><TD width=131>Color</TD><TD width=365>White</TD></TR><TR><TD width=131>Dimensions</TD><TD width=365>5.4 x 6.8 x 0.2 cm / 2.13 x 3.86 x 0.08 inch (L x W x H)</TD></TR><TR><TD width=131>Weight</TD><TD width=365>9g / 0.32oz</TD></TR></TBODY></TABLE><!--Package Includes --><p>Package Includes</p><UL><LI>5 x 125KHz ID Proximity Card Door Access Control White</LI></UL><!--Extra Info --><!--produts_compatibility -->