If you're tired of locking yourself out... If you want everyone in your home to have their own unique key that you'll NEVER lose... If you want to rid yourself of the need for multiple home or office keys FOREVER... If you're a home-owner, apartment dweller, or business owner with employees... you'll LOVE the Bio-Matic Fingerprint Locks! Stylish and easy to use, this gold color fingerprint door lock offers a sliding front cover that not only allows protection for the optical sensor but also activates the fingerprint scanner when lifted.