Important tips Detect Left/Right Hand Door Set left/right hand door on keypad The most important step is to adjust the code to the direction of the door. How to know your door door direction? Standing outside of your door (Facing the keypad),locate thedoor hinge. lf your door hinge is on the left side,Keyboard input /46/ Default Administrator Password/quot;123456/quot;/1/(L) lf your door hinge is on the right side,Keyboard input /46/- Default Administrator Password/quot;123456”/->2/(R) NOTE: The default administrator passcode is 123456 About this item /4 IN-1 Smart Lock/advanced 4-in-1 keyless entry door lock: Fingerprint / Passcode / IC Card / Mechanical Key. Your finger is the key. With a built-in quick and secure fingerprint sensor, unlock your door within 1 second. /Keyless Entry Door Lock with Keypad/you only set one admin passcode. but you can generate 250 guest passwords/100 fingerprints/1000 IC cards(2pcs include)..With Type-C interface, it can be charged when the battery is out of power (only emergency charging is supported, and cannot be used for daily charging) /Anti-peeping Electronic Door Lock/The DSTMLOCKFTY smart lock supports anti-peeping virtual password. When unlocking, you can add any random code before and after your unlocking password, so it is a secure and intelligent Biometric Fingerprint Door Lock. /Secure Smart Door Lock/Smart door locks with keypads can be customized to automatically lock in 10-900 seconds. Press and hold / for 2 seconds for /quot;one-touch lock/quot;. Turning the knob locks and unlocks from the inside in 1 second.Don/x27;t worry about forgetting your keys and lock yourself out. Auto-lock is enabled in case you forget to lock on the way out. /High Quality Easy to Install/Keyless entry door lock is made of zinc alloy. Fingerprint door lock fits for most left / right handside doors from thickness 1.49 inch to 1.88 inch. The backset is adjustable for 2-3/8/quot; (60mm) or 2-3/4/quot; (70mm). It only needs a screwdriver to complete installation and it is perfect to replaces existing deadbolt.