The perfect accessory for your Yale Smart Lock, create unique 4 to 6-digit entry codes for family and guests to unlock your Yale Smart Lock without a traditional key or smartphone Perfect for a guest, dog walker, house cleaner, handyman, or contractor to get access to your home Create unique codes instantly from your smartphone anytime, you can create up to 256 users so you can grant access to your entire family, friends, the dog walker and anyone else you trust The Yale Smart Keypad installs on your door in just a few minutes,100% battery-powered, no wiring needed The Activity Feed in the Yale Access app tracks how and when your door was locked and unlocked Save time when you leave and lock your door with just a touch Rest assured that you can still unlock your door, even if you run out of battery on your phone or if you lose your smartphone or keys Yale have protected homes and enabled peace of mind, evolved from a mechanical innovator to driving the evolution of connected, smart locks and homes. Yale stands on trust, knowledge and heritage; making durable, quality products.