KEYSENS Reminder is a patent pending, special design key blank product that reminds the user of the last action performed by the key : lock or unlock.The KEYSENS reminder is manufactured and marketed solely by QSENS Ltd and its network of licensed distributors.The product is perfect for distributors of Multilock and similar keys - but also other distributors and manufacturers. More information on the product as well as partnership information, partnership enquiries and other useful data can be found at the KEYSENS official website.