HandKey II utilizes hand geometry to verify the identity of the user and enhance security at any door, helping to ensure that only authorized users can gain access. Users cannot swap badges or forget their credentials. Adding and deleting users is easy and the system can be expanded to support more users as needs grow. The HandKey II supports multiple credentials, including proximity, magnetic stripe, bar code, HID Iclass, and MIFARE smart cards. It is field-upgradeable and offers expandable memory options to support from 512 to 259,072 users. Three user-definable outputs connect other devices like audible or silent alarms, door locks or lighting systems. A specially formulated antimicrobial coating on the platen inhibits the growth of bacteria, mold, and mildew, limiting the spread of germs. A blue hand outline on the platen facilitates easy enrollment and reduces errors during verification.