Q02 Smart Ball Door Lock with Fingerprint Access

Original source material for reference. General service terms and version-dependent claims require confirmation for your order.

• Multiple Unlocking Methods: Biometric fingerprint access, mechanical key entry, and optional Bluetooth App control (compatible with Tuya or TTLock).
• Premium Construction: Built with a durable blend of Aluminum Alloy and Stainless Steel, available in elegant Black or classic Silver finishes.
• Easy Retrofit Installation: Designed with a standard single bolt lock body, making it a perfect upgrade for wooden doors with a thickness of 35-55mm.
• Fast Biometric Recognition: Equipped with a highly responsive semiconductor fingerprint head that accurately stores up to 20 fingerprints.
• Rechargeable Power: Powered by a built-in lithium battery, featuring a modern Type-C USB interface for convenient emergency charging.
• Extreme Weather Resistance: Operates reliably in diverse environments with a working temperature range of −25°C to 75°C.

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.