Smart Fingerprint Door Lock Kit

Smart Fingerprint Door Lock Kit

Secure instant access with the LAOLAU B04 smart fingerprint door lock. Enjoy six keyless entry methods, Bluetooth app control, and tamper-resistant passcodes. Built for aluminum alloy durability on thirty-five to fifty-five millimeter steel or wood doors. Upgrade your security today. Shop the complete kit now.

• SMART FINGERPRINT DOOR LOCK — Instant biometric entry eliminates lost keys forever.
• BLUETOOTH APP CONTROL — Manage every access point directly from your pocket.
• BIOMETRIC ENCRYPTION SYSTEM — Zero-latency scanning protects your household data.
• CAMOUFLAGE PASSCODES — Mask your actual PIN against hidden surveillance traps.
• TYPE-C EMERGENCY POWER — Jump-start instantly with any standard portable battery.

Key Features

You choose six distinct ways to open your door without carrying metal duplicates.

The reversible handle adjusts cleanly for left or right hinge preferences.

IP66 certification shields the internal circuitry from heavy rain and dust.

Type-C emergency ports connect directly to common power banks.

Product Description

You trade physical keys for seamless daily routines. The LAOLAU B04 merges advanced biometrics with flexible coding options. Your thumb opens the door in half a second. You grant time-limited codes to cleaners or guests through the free TTLock application. The aluminum alloy casing resists forced entry while presenting a clean architectural profile.

Product Overview

This is a complete keyless entry kit designed for residential and rental properties.

It replaces traditional deadbolts on wooden, steel, brass, or stainless steel doors.

You install it in minutes using standard hand tools. The system runs on four AA batteries and connects wirelessly when you stand near the entrance.

Key Benefits

You stop worrying about misplaced keys or accidental lockouts.

Your family enters quickly without digging through rainy pockets.

Rental owners track exact guest arrival times automatically on their phones.

You generate temporary codes that expire on their own scheduled dates.

Features

The integrated sensor processes fingerprints under 0.5 seconds for immediate clearance.

You can program recurring, one-time, or permanent PINs through the dashboard.

The camouflage function adds random digits before your real code to block peepers.

A mechanical key set remains stored safely outside your living space.

Specifications

Brand: LAOLAU | Model: B04 | Material: Aluminum Alloy | Door Thickness: 35–55 mm | Certifications: CE, RoHS, UL, FCC | Power Source: 4 × AA Alkaline Batteries (Not Included) | Emergency Interface: Type-C | Platform Compatibility: iOS and Android mobile devices via TTLock software.

What’s Included

You receive the complete locking mechanism kit, reversible lever handles, internal strike plates, mounting screws, and two physical backup keys.

Electronic components arrive pre-wired for immediate structural attachment.

What’s Included — Items in the Package

The interior panel housing the chipboard and motor sits ready for wiring.

The exterior faceplate holds the biometric reader and number pad securely.

How to Use

Mount the interior and exterior brackets on your prepared door frame.

Connect the wiring harness and secure the protective cover plates.

Download the TTLock application on your smartphone and enable Bluetooth proximity.

Pair the hardware within three feet of the entrance threshold.

Set your preferred master PIN and register family fingerprints.

Customer Benefits

You gain total control over household access priorities from a single screen.

Forget tedious key duplication or leaving spare sets hidden under mats.

The clear timeline log removes guesswork about unexpected visitors.

You maintain strict privacy while offering convenient schedule flexibility.

Ideal Uses

List vacation rentals or shared apartments with effortless permission granting.

Install on front entries, backyard gates, or workshop doors uniformly.

Landlords distribute digital credentials without physical unit visits.

Who It’s For

This system fits property managers, busy families, and solo residents who value modern reliability.

Anyone preferring faster morning exits and tighter evening monitoring will adapt instantly.

5 Frequently Asked Questions

Will this hardware fit my existing residential frame?

Yes. The bracket layout aligns with standard drilling templates designed for doors measuring thirty-five to fifty-five millimeters thick.

Can I still enter if the internal batteries drain completely?

Absolutely. Plugging any standard portable charger into the bottom Type-C port restores full electrical function immediately.

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