D02 Narrow Frame Smart Lock

  Product Introduction  

    The D02 is the ideal smart lock designed specifically for narrow frame doors and broken bridge aluminum doors, especially for narrow aluminum profiles that require complete smart functionality without a camera. It presents a clean, modern appearance available in Black or Silver, and is compatible with the most widely used narrow lock body sizes in modern construction, including 3585, 4085, 4585, 5085 and 6085 mechanical lock bodies.

    Made of high-quality aluminum alloy with tempered glass (Tuya version) or acrylic panel (TTLock version), the D02 supports versatile unlocking methods: fingerprint, password, IC card, mechanical key and App remote unlock. It is equipped with a sensitive semiconductor fingerprint sensor and offers large user capacity — up to 300 users for the Tuya version and up to 370 users for the TTLock version.

    Suitable for door thicknesses from 35 to 90 mm, this lock runs on 4×AA batteries and features a Type‑C USB emergency power supply. With a working current below 300 mA and an operating temperature range of −25 °C ~ 60 °C, it ensures stable performance in various environments. The package includes one lock body, two high-end IC cards and two mechanical keys, providing convenient and secure keyless access for modern narrow-frame door applications.

After-sales Service
The product comes with a 2-year product warranty , plus 10-year technical support.

Minimum Order Quantity
For standard products: MOQ is 50~80 units.
For OEM/ODM customized orders: MOQ shall be calculated separately.
 

  Quality Control System (Smart Lock Version)  

SQA

• Supplier factory audit
• Component quality verification (lock body, PCB, fingerprint sensor)

IQC

• Incoming material inspection
• Functional test for electronic modules
• RoHS & appearance check

PQC

• Semi-finished assembly inspection
• Motor drive & fingerprint recognition test
• Power-on test and video/facial module verification

FQC

• 48-hour aging and full-function testing
• Lock body endurance test, door thickness simulation test

  Smart Lock – General Q&A  

Ⅰ. Cooperation & Delivery：

Q1. Are you a factory or a trading company?

A: We are a direct manufacturer with complete production lines and an in-house R&D team, supporting OEM / ODM customization and bulk orders.

Q2. What is the delivery time?

A: Standard models take around 3-5 working days; customized models take about 15–40 days depending on functions and quantity.

Q3. What is the packaging and shipping method?

A: Standard orders use universal packaging boxes. For quantities over 2,000 units, custom color boxes are available. Products are shipped by express or sea freight depending on order size.

Ⅱ. Battery & Power：

Q1. How long does one set of batteries last?

A: Under normal use (5–10 openings per day), the batteries can last around 6–12 months.

Q2. What if the smart lock runs out of power?

A: You can use an emergency power supply, such as a power bank (Type-C or 9V battery), to temporarily power the lock and unlock it.

Q3. Does the smart lock support rechargeable batteries?

A: Yes, but we recommend using reliable branded batteries to avoid overcharging or deep discharge.

Ⅲ. Warranty & Support：

Q1. What is the warranty period for smart locks?

A: All models come with a one-year warranty.

Q2. How do you handle after-sales service for overseas customers?

A: For every 1,000 smart locks ordered, we include one set of key spare parts for replacement use.

Q3. Do you provide installation guidance?

A: Yes, we provide detailed installation videos and online technical support.

Ⅳ. Durability & Stability：

Q1. What is the lifespan of the fingerprint sensor?

A: The fingerprint sensor can handle more than 200,000 recognition cycles.

Q2. What is the lifespan of the motor and lock body?

A: The mechanical lock body can endure over 100,000 opening and closing cycles.

Q3. Are smart locks waterproof?

A: Outdoor models have an IP55 waterproof rating, capable of withstanding light rain.

Ⅴ. Features & Operation：

Q1. How many fingerprints can be stored?

A: Most models can store between 100–250 fingerprints.

Q2. Does it support temporary passwords?

A: Yes, most models support one-time passwords that can be set remotely through the APP or management platform.

Q3. Can the lock be controlled remotely?

A: Yes, remote unlocking via WiFi / APP / gateway is supported depending on the model.

Q4. What unlocking methods are available?

A: Fingerprint, password, IC card, mechanical key, APP, and temporary password.

Q5. Can the lock connect to smart home systems?

A: Yes, it supports integration with platforms such as Tuya, TTLock, and PLC systems.

Ⅵ. Customization & Design：

Q1. Can I customize my own logo?

A: Yes, logo customization is available with a minimum order quantity of 500 sets.

Q2. Can I customize the appearance or color?

A: Yes, both panel color, material, and packaging can be customized.

Q3. Do you support APP customization?

A: Yes, OEM APP and branded interface customization are available, based on company specifications.

Ⅶ. Quality & Warranty：

All products comply with the 7S Quality Management System and come with a one-year warranty and video installation guidance service.

All products comply with the 7S quality management system and come with a one-year warranty and installation support.

  Language Setting Codes for Semi-Automatic & Full-Automatic Smart Locks  

Applicable Models: T9-3, T9-5G, T5, T12, T12 Ultra, T16

(1) In the initial state, any registered face, fingerprint, password, or card can unlock the door.
When performing setup, do not delete the preset opening direction or torque parameters.

(2) For multi-language switching, enter setup mode and input 888#,
then enter the corresponding language code and press Confirm.

A5 Language Setting Codes

(1) In the initial state, any fingerprint, card, or password can unlock the door.
(2) After administrator information is recorded, only registered fingerprints, cards, or passwords can unlock.

Language Setting Codes for D01 / D02 (Aluminum Frame Lock Models)

Language Switching Codes: