LEONDARX / Indoor-Apartment Lock
F03 Apartment Smart Door Lock with Visible Peephole
The Leondarx F03 Smart Lock is specifically engineered for wooden doors and apartment room doors.
At the door. Ready for daily use.
Explore the application, daily use and installation requirements for this model.

An access point in context.
The lock becomes part of the entrance hardware. Confirm the door material, opening direction and mechanical configuration together.
- Tuya Visible Peephole: Built-in smart camera allows you to monitor visitors directly through the Tuya App.
- 7-in-1 Unlocking Methods: Seamless access via Fingerprint, Password, Magnetic Card, Mechanical Key, Temporary Password, WeChat Mini Program, and Tuya App.

Choose how the door is used.
Review the documented access functions for this model. App and gateway options are version dependent and require confirmation.
- Premium Construction: Built with a sturdy aluminum alloy body and a sleek acrylic lens panel, available in Black or Red Bronze finishes.
- High-Level Security: Equipped with a top-grade Class C security lock cylinder and an indoor electronic privacy deadbolt button.

Get the hardware fit right.
Match the lock body, door thickness, strike, power arrangement and handle clearance before ordering.
- Material: Aluminum Alloy + Acrylic Lens
- Applicable Door Thickness: 35-120 mm
- Door Type: Wooden Door / Apartment Room Door
The details behind the selection.
Specifications apply to this model. Confirm the hardware revision, optional functions and installation requirements before ordering.
- Model
- F03
- Recognition Speed
- < 0.1s
- Lock Cylinder
- Class C Security Cylinder
- Working Voltage
- 4×AA batteries
- Emergency Power
- USB / Type-C emergency charging
- Working Temperature
- −25 °C ~ 60 °C
- Standard Accessories
- 2 × High-end IC cards
- Lock Type
- Apartment Smart Lock (Tuya Peephole Version)
- Material
- Aluminum Alloy + Acrylic Lens
- Color
- Black / Red Bronze
- Applicable Door Thickness
- 35-120 mm
- Door Type
- Wooden Door / Apartment Room Door
- Unlocking Methods
- Fingerprint / Password / Magnetic Card / Key / WeChat Mini Program / Tuya App / Remote (optional)
- Capacity
- Up to 300 (Fingerprint + Password + Card)
- Fingerprint Sensor
- Semiconductor fingerprint head
COMPLIANCE DOCUMENTATION
Check the evidence for your market.
Request documents that identify the exact model and test scope. Published manufacturer material is a reference; confirm applicability to your destination market and ordered configuration.
Request compliance documents ↗F03 Apartment Smart Door Lock with Visible Peephole
Confirm applicable reports and declaration documents with the project team.Before you specify.
Installation and ordering questions for this model.
What should I confirm before ordering this model?+
Confirm the hardware revision and installation configuration for F03 Apartment Smart Door Lock with Visible Peephole. Published details include Material: Aluminum Alloy + Acrylic Lens; Applicable Door Thickness: 35-120 mm; Door Type: Wooden Door / Apartment Room Door. Use the original model material below and request the matching technical sheet.
Will this lock fit my existing door?+
Check the door construction, thickness, opening direction, lock body and fixing pattern against the selected model. A site assessment and the matching drawing are needed before reusing existing door preparation.
Which documents are available for project review?+
Original manufacturer images and model detail sheets are retained below. Request current installation instructions, version-specific specifications and any applicable compliance documents for your market and ordered configuration.
Original model material.
Manufacturer views, drawings and original detail sheets remain available for a technical review.
Original manufacturer description+
Original source material for reference. General service terms and version-dependent claims require confirmation for your order.
- Tuya Visible Peephole: Built-in smart camera allows you to monitor visitors directly through the Tuya App.
- 7-in-1 Unlocking Methods: Seamless access via Fingerprint, Password, Magnetic Card, Mechanical Key, Temporary Password, WeChat Mini Program, and Tuya App.
- Premium Construction: Built with a sturdy aluminum alloy body and a sleek acrylic lens panel, available in Black or Red Bronze finishes.
- High-Level Security: Equipped with a top-grade Class C security lock cylinder and an indoor electronic privacy deadbolt button.
- Fast Biometric Access: Advanced semiconductor fingerprint sensor with an ultra-fast recognition speed of < 0.1s and a breathing light indicator.
- Reliable Power: Powered by 4 AA batteries with a convenient USB/Type-C interface for emergency charging when the battery is low
The F03 is an apartment smart lock with Tuya peephole function. It is made of aluminum alloy and acrylic lens, available in black and red bronze. It fits wooden doors and apartment room doors with a thickness of 35 to 120 mm.
This smart lock supports multiple unlocking methods, including fingerprint, password, magnetic card, key, WeChat Mini Program, Tuya App and optional remote control. It has a total capacity of up to 300 for fingerprints, passwords and cards. It is equipped with a semiconductor fingerprint sensor, with a recognition speed of less than 0.1 second.
It adopts a Class C security lock cylinder for high security. The working voltage is supplied by four AA batteries, and it supports USB and Type-C emergency charging. It has a working temperature range from −25 °C to 60 °C, ensuring stable performance in various environments. The standard accessories include two high-end IC cards, two magnetic cards and two 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.
Start with the installation.
Share the door or room layout, target market, quantities and integration requirements. We can help define the model configuration.
