Q02 Smart Ball Door Lock with Fingerprint Access

   Product Introduction  

    The Q02 is a smart ball lock designed for wooden doors. It is made of aluminum alloy and stainless steel, available in black and silver. It fits wooden doors with a thickness of 35 to 55 mm and uses a single bolt lock body for easy installation.

    This smart lock supports three unlocking methods: fingerprint, mechanical key and optional App control. The App can be Tuya Bluetooth or TTLOCK Bluetooth for convenient operation. It is equipped with a semiconductor fingerprint sensor and can store up to 20 fingerprints.

    Powered by a lithium battery, the lock supports Type-C USB emergency charging. It has a working current below 200 mA and a wide working temperature range from −25 °C to 75 °C. Its dimensions are 80 mm by 57 mm, compact and space-saving. The standard package includes one single bolt lock body and two mechanical keys.

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.