TCL K1 Fingerprint Smart Door Knob, 0.3s Biometric Keyless Entry, 4-in-1 Access with App Control & Passcode, Auto-Lock, Anti-Peep Keypad, 100 Fingerprints, for Bedroom Apartment Airbnb

0.3-SECOND FINGERPRINT UNLOCK — Fast, Accurate Biometric Access Every Time. Unlock in just 0.3 seconds with an upgraded biometric fingerprint sensor that recognizes your print even at different angles. Stores up to 100 fingerprints — ideal for families, roommates, and Airbnb guests. No keys to carry, no codes to remember. Customers consistently rate the biometric scanner as "reliable" and "works great every time."
4-IN-1 FLEXIBLE ACCESS — Fingerprint, Passcode, App & Key Backup. Multiple ways in, zero lockouts. Unlock with your fingerprint, touchscreen passcode, TCL Home App, or backup mechanical key. Generate temporary or one-time passcodes for guests, cleaners, or service providers — and revoke access instantly when no longer needed. Perfect for Airbnb hosts and rental property owners.
AUTO-LOCK + ANTI-PEEP KEYPAD — Always Secured, Always Private. Auto-lock activates the moment your door closes — so you never have to wonder if you forgot to lock up. The backlit anti-peep keypad lets you enter random digits before or after your real code, keeping your passcode safe from prying eyes. Real-time app notifications alert you every time the door is locked or unlocked.
PRIVACY MODE & PASSAGE MODE — Total Control Over Your Space. Activate Privacy Mode from inside to instantly block all external access — ideal for bedrooms, home offices, or nurseries. Switch to Passage Mode to keep the door unlocked during household activities, moving, or entertaining guests. Two modes, one smart lock, complete control.
LOCAL DATA STORAGE — Your Biometric Data Never Leaves Your Home. All fingerprint and access data is stored directly on the device — never uploaded to any server or cloud. No subscription fees, no data breach risks, no third-party access. Your privacy stays where it belongs: in your hands. Fully offline-capable even without Wi-Fi.
12-MONTH BATTERY LIFE + EMERGENCY BACKUP — Never Get Locked Out Powered by 4 AAA batteries for up to 12 months of typical daily use. Low battery alerts notify you in the app before power runs out. USB-C emergency port lets you power the lock temporarily if batteries die unexpectedly — because getting locked out is never an option.
EASY 15-MINUTE DIY INSTALL — Fits Standard US Interior Doors. No locksmith, no drilling. Installs in about 15 minutes with just a screwdriver. Compatible with door thickness 1-3/8" to 1-3/4", backsets 2-3/8" to 2-3/4". Aluminum brushed nickel finish resists daily wear and looks great on any interior door. Backed by a 1-Year Warranty + Lifetime Technical Support. ⚠ Please measure your door dimensions before purchasing to ensure compatibility.