DB-202-A1 Smart Door Lock Deadbolt

Upgrade security. Simplify access. Perfect for modern apartments and commercial projects.

Model: BD-202-A1

Series: Dobby SERIES

Product Description

Designed for the American Market

The DB-202-A1 is a next-generation biometric smart door lock built to meet ANSI (American standard deadbolt) specifications. It is ideal for wooden doors in residential units, apartment complexes, and office buildings.


Whether you're a construction contractor, a real estate developer, or a security hardware distributor, this lock offers unmatched flexibility and performance.


Key Features & Advantages:

• 8-in-1 Unlocking Methods:

Unlock the door your way:

• Fingerprint

• Password (PIN code)

• RFID card

• Mobile App (Tuya Smart or TTLock optional)

• Bluetooth

• NFC (phone)

• Temporary Password

• Physical Key

• Revolutionary Power System

• Equipped with a rechargeable lithium battery

• Low battery alert

• Smart lockout notification for enhanced security

• Built-In Voice Guidance

• Real human voice navigation makes setup and daily use easy – no app required

• Default language: English/Chinese; multilingual interface via app (supports 8 languages)

• Durable & Stylish

• Ultra-thin aluminum alloy body

• High-end IML matte panel technology

• Anti-fingerprint, scratch-resistant finish

• Smart App Control

• Works with Tuya or TTLock (optional)

• Remote unlock, real-time access logs, battery monitoring, and user management

• Supports integration with smart home systems


Ideal for Multiple Use Cases

This smart door lock is the perfect solution for:

• Office buildings

• Apartment complexes

• Hotel-style rooms

• Short-term rentals (Airbnb)

• Residential homes & villas

• Dormitory


Easy to Install

• Fits most standard American wood doors

• DIY-friendly installation – no additional drilling required

• Reversible design for left or right door orientation


Product Model: LLDB-202-A1

• Residential homes & villas

• Unlock Speed: 0.3s fingerprint recognition

• Fingerprint Capacity: 50 users

• Smart Reminder System: low battery & lockout alerts

• Optional App: Tuya Smart / TTLock

• Panel: IML matte finish

• Material: Aluminum alloy


Trusted by Contractors & Property Managers

Whether for new construction or security upgrades, the DB-202-A2 is the go-to smart lock for professionals who demand performance, reliability, and convenience.

Function Parameters

ModelDobby Series/DB-202-A1
Device Size150mm*62mm*27mm
Unlock MethodFingerPrint/Password/Mechanical Key/TUYA APP/NFC
Password set20 digits setting (Max )
MaterialUltra-thin Aluminium Alloy with IML frosted panel
Call the policeAnti-prying alarm, Low-voltage alarm,  Error Alarm
Adapt to door typeSecurity door/Wood Door/Brass Door/Stainless Steel Door
Door thickness37-55mm
Operating Temprature-10℃~60℃
Operating Humidity45%RH-90%RH
ColorBlack

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