This is a monthly subscription for a RememberStuff™ unit update and support over a year’s time period. This is for countinouse support to ensure that the security and new features of the unit are up to date. This subscription is necessary for the RememberStuff™ unit to work. We will invoice your email and charge your card every month from the date of your first purchase. CANCEL AT ANY TIME. You can email admin@rememberstuff.com to cancel your subscription.