The Paxton 820-050G green proximity keyfobs add an extra layer of security to access control systems. These keyfobs can be easily attached to key rings and come with a shadow card that holds the user's data. In the event of loss or theft, the corresponding shadow card can be used to void the keyfob, minimizing the risk of unauthorized access.Available in packs of 50Comes with a lifetime warrantyChoice of pack colour for use in coloured zonesFeatures:Easy to attach to key ringsShadow card holds user data for added security