Upgrade your home with keyless convenience This fingerprint door knob lets you ditch keys (or use Key, IC Card, smart app, or door lock with code for flexible access), featuring a high-sensitivity fingerprint scanner that recognizes prints in 0.3 seconds (and stores up to 100), supports PIN/temporary codes, app control, and auto-lock. Designed for American homes The smart front door lock supports seamless remote access, featuring easy DIY installation (under 30 mins, fits standard doors), a sleek decor-complementing design, and anti-pry/anti-peep technology—enjoy peace of mind anywhere with secure, versatile entry. 【5-IN-1 Smart Lock】Combines Fingerprint, Passcode, Key, IC Card, and smart app. 0.3s recognition,1s unlocking. Stores up to 100 fingerprints and 50 passcodes, ideal for families and daily use. 【Anti-Peep Code & Adjustable Auto-Lock】Input random digits before or after your real passcode on the keypad door lock for instant unlocking, and you can flexibly tailor the auto-lock timing via the app for boosted security and convenience. 【Strengthened Privacy & Smart App】The smart door handle lock store ALL fingerprints, passcodes and app data locally with no cloud uploads, support one-time, timed and dynamic codes, allow checking records, manage fingerprints and codes, enable silent or channel modes to fit different daily scenarios. 【Easy Installation】Perfectly for both left/right doors, The bedroom door lock is compatible with US standard doors, featuring backset sizes: 2-3/8" (60mm) and 2-3/4"(70mm) , door thickness from 1-3/8" to 2-1/8" (35mm - 55mm). 【USB emergency charging】The door knob with lock feature low-battery alert function, come with a USB port for emergency charging, Require 4 AAA batteries (Not Included).