What is PIN Visual Protection? Blair April 10, 2019 19:53 Updated In order to visually protect your PIN Code, you can enter any random digits both before and after you enter your PIN Code. Related articles How many scheduled PIN Codes can I create? How do I change the open direction of my Alfred DB series lock? Is my Alfred DB series Smartlock waterproof? What weather conditions / environments are optimal for Alfred? Can I keep my existing mechanical deadbolt installation with my Alfred DB series lock? Comments 0 comments Please sign in to leave a comment.