LEONDARX / Special Shape Lock
108ZML American Standard Smart Lock
The Leondarx 108ZML is a premium American Standard smart deadbolt that perfectly combines modern aesthetics with advanced security.
Access control. Matched to the door.
Explore the application, daily use and installation requirements for this model.

An entrance with the right hardware.
Select the lock for the relevant door preparation and lock format. Confirm the model’s mounting configuration before specifying it.
- 4-in-1 Smart Access: Unlock effortlessly using the Tuya Bluetooth App, Biometric Fingerprint, Password, or Mechanical Key.
- Premium CNC Construction: Crafted with a high-end, precisely carved CNC aluminum front shell and a durable ABS back shell for long-lasting performance.

Define the access configuration.
Review documented credentials and management options for this model. Check any app or gateway option against the quoted version.
- Smart Scenario Modes: Supports Delayed Automatic Lock, Keep-Open Mode, Silent Mode, and a high-security Vacation Mode (restricts entry to administrator fingerprints only).
- Intelligent Self-Check System: Automatically calibrates left or right door opening directions and triggers an error correction function if the lock malfunctions.

Check the door preparation.
Confirm backset, fixing pattern, door thickness and handing. Pair any separate handle and strike with the appropriate lock configuration.
- Material: CNC Aluminum (Front Shell) + ABS (Back Shell)
- Applicable Door Thickness: 35-50 mm
- Door Type: Wooden Door
The details behind the selection.
Specifications apply to this model. Confirm the hardware revision, optional functions and installation requirements before ordering.
- Model
- 108ZML
- Capacity Information
- Total 60 (Fingerprint + Password)
- Buttons
- Touch password buttons with buzzer prompts
- Security Features
- Vacation Mode, Self-Check Error Correction, Virtual Password
- Power Supply
- 4×AA Batteries
- Emergency Power
- Type-C USB interface
- Standard Accessories
- 2 × High-end IC Cards
- Lock Type
- American Standard Smart Lock (Deadbolt)
- Material
- CNC Aluminum (Front Shell) + ABS (Back Shell)
- Color
- Black
- Applicable Door Thickness
- 35-50 mm
- Door Type
- Wooden Door
- Mortise Compatibility
- 60 mm / 70 mm adjustable locking lock tongue (Single Bolt)
- Unlocking Methods
- Fingerprint / Password / Tuya Bluetooth App / Mechanical Key
- Dimensions
- 127 mm × 67 mm
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 ↗108ZML American Standard Smart Lock
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 108ZML American Standard Smart Lock. Published details include Material: CNC Aluminum (Front Shell) + ABS (Back Shell); Applicable Door Thickness: 35-50 mm; Door Type: Wooden 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.
- 4-in-1 Smart Access: Unlock effortlessly using the Tuya Bluetooth App, Biometric Fingerprint, Password, or Mechanical Key.
- Premium CNC Construction: Crafted with a high-end, precisely carved CNC aluminum front shell and a durable ABS back shell for long-lasting performance.
- Smart Scenario Modes: Supports Delayed Automatic Lock, Keep-Open Mode, Silent Mode, and a high-security Vacation Mode (restricts entry to administrator fingerprints only).
- Intelligent Self-Check System: Automatically calibrates left or right door opening directions and triggers an error correction function if the lock malfunctions.
- Adjustable Deadbolt: Comes with a standard 60mm/70mm adjustable single-bolt lock tongue, ensuring a perfect fit for 35-50mm wooden doors.
- Reliable Power & Alerts: Powered by 4 AA batteries with a low battery alarm and a Type-C USB interface for emergency power backup.
The Leondarx 108ZML is a high-performance American Standard smart deadbolt lock that integrates modern design with advanced security technology. It is specially designed for wooden doors with a thickness of 35–50 mm. It comes in a classic Black finish and supports a 60/70 mm adjustable single deadbolt, ensuring wide compatibility with most wooden door installations.
This smart lock provides four unlocking methods: fingerprint, password, Tuya Bluetooth App, and mechanical key, offering flexible and convenient access for home and rental users. With a combined capacity of 60 fingerprints and passwords, it fully meets daily usage needs. The lock is equipped with touch-sensitive password buttons with buzzer prompts and multiple security functions, including vacation mode, self-check error correction, and virtual password to prevent peeping.
It supports multiple intelligent scene modes such as delayed automatic locking, keep-open mode, and silent mode, bringing a smarter and more user-friendly experience. Powered by 4×AA batteries with a low-battery reminder, it also supports emergency power supply via a Type‑C USB interface to ensure that the lock can be opened normally even in case of power exhaustion.
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.
