Smart Keyless Entry Deadbolt Lock - Auto-Lock Backlit Keypad, Zinc Alloy Construction, One-Touch Locking, Ambidextrous Design for Left/Right Handed Doors, Passage Mode - Satin Nickel Finish | Ideal for Home Security, Apartments, and Office Doors

This is a keyless backlit keypad auto-lock deadbolt with passage mode. [ Door thickness requirements ]: 38-48mm [ Adjustable latch ]: 2 3/8" or 2 3/4" (60mm or 70mm) [ Unlocking methods ]: Passwords, mechanical keys [ Durable Material ]: The main parts of this lock adopt zinc alloy material, unlike those made of plastic, this one feels very textured and is much more durable. [ Recommended Uses For ]:: Front doors, back doors, side doors, bedroom doors, basement doors, office doors, apartments, rental houses, airbnb, etc. [ Easy Installation ]: Super easy to install. Compatible with both right handed and left handed new & old doors. Perfect replacement for deadbolts or door knobs. [ Power ]: Powered by 4 AA batteries.