China Customized Smart Lock Manufacturers and Suppliers - Smart Lock for Sale

Commercial Smart Locks and Electronic Access Control Hardware

Direct manufacturer-engineered electronic smart locks designed for commercial access control systems, multi-tenant properties, and industrial security enclosures. Built for high-frequency operation, third-party panel integration, and long-term mechanical-electronic durability. Available for OEM and ODM customization including firmware modification, housing finishes, and protocol integration.

Fingerprint Smart Lock Access Control
• Multiple Unlock Methods: Supports smartphone, fingerprint, 13.56MHz Mifare card, PIN, and mechanical key access.. • APP User Management: Supports adding and deleting users through the Tuya APP.. •

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Vandal-Proof Biometric Fingerprint Smart Access Lock
• Vandal-Proof Metal Construction: Built with a durable aluminum alloy, ABS, and acrylic structure designed for anti-tamper protection and sleek aesthetics.. • Smart App User Management: Full

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Technical Advantages

01/

Dual-Core Processing Architecture: Independent microcontrollers handle cryptographic data processing and mechanical motor drive separately to prevent system lockups during peak access traffic.

02/

Rigid Mechanical Transmission: Drop-forged zinc alloy housing paired with a stainless steel 304 triple-bolting mortise mechanism, tested to withstand over 500,000 continuous operation cycles.

03/

Seamless Protocol Integration: Standard Wiegand 26/34 and RS485 communication interfaces allow direct connection to existing third-party building management and access control panels.

04/

Emergency Power Redundancy: Operates on 4 AA alkaline batteries with a static current consumption under 30uA, supplemented by an external USB-C emergency power terminal and an ANSI Grade 1 concealed mechanical override cylinder.

Specifications Table

Technical Parameter	Standard Specification	Customization Options
Housing Material	Zinc Alloy Die-Casting / Stainless Steel 304	Custom PVD Finishes: Matte Black, Satin Nickel, Brushed Brass
Identification Methods	MIFARE Card (13.56 MHz), Capacitive Fingerprint, PIN, Mechanical Key	HID iCLASS, NFC Mobile Credentials, Face Recognition
Communication Protocol	BLE 5.0, TCP/IP, RS485, Wiegand 26/34	Zigbee 3.0, LoRaWAN, Proprietary RF 433 MHz
Power Supply	DC 6 V (4 × AA Alkaline Batteries) / DC 12 V to 24 V Hardwired	Rechargeable Lithium Battery Pack (2000 mAh)
Static / Dynamic Current	< 30 μA / < 300 mA	Low-Power Sleep Optimization
Ingress Protection	IP55 Standard / IP65 Weatherproof Exterior Models	Salt Spray Resistance Coating, ASTM B117 96-Hour Test
Operating Temperature	-20°C to +70°C	-40°C to +70°C with Internal Heating Module
Certifications	CE, FCC, RoHS, BHMA / ANSI Grade 2 Compliant	UL 10C Fire Rating Compliance, 3-Hour Fire Door Test

Manufacturing and Quality Control

Production operations use automated CNC machining centers to control lock body tolerances within plus-minus 0.02mm, ensuring consistent alignment of internal gearboxes and deadbolt assemblies. Die-cast components undergo strict X-ray flaw detection to eliminate internal porosity before structural assembly.

Every lock unit completes a 72-hour burn-in test under simulated environmental thermal cycling (-20°C to 65°C). Final automated test benches verify biometric sensor false acceptance rates below 0.001%, static electrostatic discharge tolerance up to 15kV, and continuous motor torque output before packaging.

OEM and Custom Security Equipment

Housing and Mold Customization

Tailored exterior industrial design, front-panel dimensions, and laser-etched corporate logo branding.

Firmware and Software Development

Source code integration for proprietary SDKs, custom BLE communication encryption keys, and cloud server API interfacing.

Lock Body Adaptation

Custom spindle lengths, backset dimensions (60mm, 70mm, 55mm mortise formats), and strike plate configurations to match regional door preparation standards.

Applications

Commercial office buildings and multi-tenant corporate headquarters

Data centers, server rooms, and telecommunication infrastructure housing

Multi-family residential apartment complexes and student housing facilities

High-security industrial storage facilities and equipment enclosures

Smart parcel delivery lockers and automated storage kiosks

FAQ

Q: What is the standard lead time for bulk orders and OEM customized smart locks?

A: Standard production lead time for bulk orders ranging from 500 to 2,000 units is 25 to 30 days upon deposit confirmation and sample approval. OEM projects requiring custom mold development or dedicated firmware integration typically require 45 to 60 days for initial tooling and pilot run validation.

Q: Can these smart locks integrate with existing third-party access control systems?

A: Yes. Our locks support standard Wiegand 26/34 and RS485 interfaces, allowing direct connection with established access control panels such as HID, Lenel, or Honeywell systems. API documentation and SDK packages are provided for software integration.

Q: What happens to the lock data and access permissions if the batteries fail completely?

A: All user credentials, access logs, and system settings are stored in non-volatile flash memory (EEPROM), which retains data indefinitely without power. In the event of total battery depletion, the lock can be powered temporarily via an external USB-C port or opened using the mechanical override key.

Q: Are these locks rated for outdoor weather exposure?

A: Exterior-grade models feature silicone gasket seals, conformal-coated circuit boards, and IP65-rated enclosures that protect internal electronic components against driving rain, dust, and condensation within an operating temperature range of -20°C to 70°C.

Q: What is the minimum order quantity (MOQ) for custom OEM branding or housing finishes?

A: The standard minimum order quantity for custom laser logo engraving is 100 units. For custom PVD color finishes, proprietary housing molds, or specialized firmware modifications, the minimum order quantity is 500 units per batch.

Q: What testing standards do your electronic locks pass before shipment?

A: Locks undergo testing for mechanical cycle endurance (500,000 cycles), electrostatic discharge (15kV), salt spray corrosion resistance (ASTM B117 96-hour test), and pull-force resistance exceeding ANSI Grade 2 specifications.

Q: Do you provide sample units for engineering evaluation prior to volume procurement?

A: Yes. Working sample units with standard configurations are available for laboratory testing, mechanical fit checks, and protocol evaluation. Express courier delivery is arranged upon request.

Q: How is firmware security managed against unauthorized electronic tampering?

A: Communication protocols use AES-128 encryption for wireless data transmission. The internal microcontroller incorporates hardware-level security measures to prevent firmware extraction and unauthorized debugging attempts.

As one of the most reliable smart lock manufacturers and suppliers in China, we also support customized service. Please feel free to buy high quality smart lock for sale here from our factory. Welcome to view our website for more information.

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