The CyberKey USB is an electronic, rechargeable key used to operate CyberLock cylinders. It has memory that contains encrypted access codes, a list of locks it may access, schedules of authorized dates and times it may access locks, and a begin-end date range during which the key will operate. Unlike other products on the market, the CyberKey USB is designed to recharge via the key tip or via a convenient micro USB port. This feature offers an affordable and mobile way for customers to use their CyberLock system.