Keyless entry: 2 ways to unlock: PIN code(1 master PIN code, 20 permanent user PIN codes) and One-time PIN code.
Simple sharing：Generates One-time PIN code remotely, easily share unlimited One-time code with anyone you want at anytime, anywhere.
Smart locking: the lock will auto-lock in 30-180s as you customized it, or you can press and hold any key for 2S to lock manually. Activate privacy mode, it will disable all user codes access.
Durability & Security: Made of durable metal materials, enough to last for decades, Up to 1 year battery life. With arming alarm function, will alarm when stangers attend to unlock indoors in "Away mode", effectively guard your home security.
Easy Installation: The door lock installs in minutes with a screwdriver, is suitable for most standard door perps, both right and left-handed. With limited lifetime for mechanical and 2 years for electronical warrantty.
