OEM/ODM A2 Double-Sided Stainless Steel Smart Lock
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A2 Double-Sided Stainless Steel Smart Lock

The A2 Double-Sided Stainless Steel Smart Lock is a durable and versatile locking solution designed for various door types, including aluminum profile doors, security doors, and courtyard gates. Crafted from 304 stainless steel, it ensures both robust protection and a sleek appearance. Supporting multiple access methods, it caters to modern security needs while offering convenience and adaptability. The lock fits doors with thicknesses ranging from 40mm to 120mm, making it suitable for residential and commercial installations.

  • A2 double-sided stainless steel smart lock with black lever handles, touchscreen keypad panels on both sides, lower sensor area, Abrain logo, and long-body design for aluminum profile doors and courtyard gates
  • Black double-sided smart door lock installed on an outdoor gate with keypad, handle, 304 stainless steel lock body, and weather-resistant design for modern homes
  • Dimension drawing of the A2 double-sided smart gate lock showing 353 mm panel height, 73 mm panel width, 140 mm handle length, 23 mm side thickness on both sides, dual keypad panels, and mortise lock installation
  • Product Details
  • A2 Double-Sided Stainless Steel Smart Lock

    Most smart locks assume one side of the door stays free and open — a mechanical thumbturn on the inside, smart access only on the outside. But that assumption doesn't hold everywhere. The A2 Double-Sided Stainless Steel Smart Lock was built for the doors where it genuinely doesn't hold — placing full smart panels on both the front and rear sides, which makes it a natural fit for aluminum profile doors, security doors, courtyard gates, and any entrance where access actually needs managing from both directions at once.

    Visually, the lock keeps a long black touchscreen panel, complete with a digital keypad, a lower sensor area, and a horizontal lever handle. Handle color comes in black or silver, so the same lock body can be paired to match whatever door style it's going on. The overall look stays clean and modern enough to work across residential entrances just as easily as commercial ones.

    304 stainless steel makes up the build, chosen with frequent daily use and semi-outdoor exposure in mind. Profile doors and courtyard gates in particular tend to face rougher conditions than a typical interior door — more handling, more humidity, more general wear — and stainless steel is what lets the A2 resist corrosion, wear, and deformation under that kind of pressure.

    Key Features

    Here's a closer look at what actually sets the A2 apart, beyond just having two panels instead of one.

    Genuine Double-Sided Smart Access

    As a Double-Sided Smart Gate Lock, the A2 puts a fully intelligent access panel on each side of the door — not a keypad on one side and a basic mechanical knob on the other. Both sides show a proper keypad interface, which means entry and exit both stay under controlled access rather than one direction being wide open by default.

    That structure proves genuinely useful across:

    • Courtyard gates
    • Shared entrance doors
    • Aluminum profile doors
    • Security doors
    • Semi-public access points

    Wherever access truly needs managing from both directions, the A2 offers a level of control a single-sided smart lock simply can't match.

    Built Around Double-Sided Fingerprint Access

    Lower sensor areas visible on both panels reflect the A2's identity as a Double-Sided Fingerprint Door Lock, working alongside keypad access to give different users a convenient, controlled way through the door from either side.

    Depending on configuration, supported access methods can include:

    • Fingerprint recognition
    • PIN code access
    • RFID keycard access
    • Mechanical key backup
    • App or Bluetooth access, depending on system setup
    • Optional remote access functions

    That flexibility carries over well into both residential settings and more formally managed access environments.

    304 Stainless Steel Construction

    Crafted from 304 stainless steel, the A2 holds up structurally against corrosion — a genuinely important quality given that aluminum profile doors, security doors, and courtyard gates all tend to see frequent touch, humidity, and some degree of outdoor exposure over their lifespan.

    That same stainless steel structure supports long-term reliability across residential buildings, offices, and other controlled entrance points where hardware needs to keep performing year after year.

    Fits a Wide Range of Door Types

    Door thickness compatibility runs from 40 mm to 120 mm, giving the A2 room to adapt across varied installation conditions.

    It works comfortably on:

    • Aluminum profile doors
    • Security doors
    • Courtyard gates
    • Wooden doors, depending on installation requirements
    • Residential and commercial entrance doors

    For projects juggling multiple door types but wanting one consistent smart lock solution throughout, that range of compatibility genuinely simplifies things.

    Clear Installation Reference Points

    The dimension image lays out the key specs:

    • Panel height: 353 mm
    • Panel width: 73 mm
    • Handle length: 140 mm
    • Side thickness: 23 mm on both sides

    It also shows a mortise lock body running through the door, with smart panels mounted on each side — a useful reference for installers and project teams confirming door compatibility before moving ahead with installation.

    Product Applications

    The A2 Double-Sided Stainless Steel Smart Lock fits doors and gates where smart access genuinely needs to work in both directions, not just one.

    Application Usage Description
    Aluminum Profile Doors Double-sided access control for narrow or framed door systems
    Security Doors Fits residential and commercial security entrances
    Courtyard Gates Controlled entry and exit for outdoor or semi-outdoor gate areas
    Shared Entrances Useful where access needs managing from both sides of the door
    Commercial Rooms Fits restricted rooms, offices, or facility doors
    Residential Gates Suited to villas, private courtyards, and controlled home entrances

    For doors where the inside genuinely can't stay freely accessible to everyone, the A2 fills a gap most single-sided smart locks simply weren't designed to cover.

about Abrain
Yongkang Ruian Lock Industry Co, Ltd.
"FOCUS ON 304 STAINLESS STEEL SERIES WATERPROOF AND MOISTURE-PROOF SECURITY SMART DOOR LOCKS."

Founded in 2011 in Yongkang, Zhejiang province, the company covers an area of 5,000 square meters and employs 58 people. We are an A2 Double-Sided Stainless Steel Smart Lock and focus on the 304 stainless steel series of waterproof and moisture-resistant security smart door locks, including entry doors, interior doors, glass doors, villa doors, 3D face fully automatic, double-sided waterproof smart door locks outside profile doors and courtyard portals, apartment locks, campus locks, stainless steel mechanical locks.
We specialize in home improvement and real estate projects, and have established relationships with many brands, such as Dahua shares, Hangxiao Steel, Swedish brand ASSA ABLOY's company Guoqiang Hardware, Wangli Security, Star Moon Security, Xinduo Door, Caizhu Vanke, etc. Our Double-Sided Smart Gate Lock wholesaler products are exported to Southeast Asia and European countries. The company has several independent brands such as "Abrain" and "Rui'an", and has been awarded more than 20 national patents for invention, utility models, and appearance. Our Products have passed the certification for a quality management system, environmental management system and occupational health and safety management system, and the company won the patent demonstration enterprise of Yongkang City, the AA-level "Keep Contract and Keep Promise" enterprise of Zhejiang Province, and the "Made in Zhejiang" certification enterprise of Zhejiang Province and the Alibaba Super Factory.
The company has a professional independent research and development team, and everything from product appearance and structural design to mold development, product prototyping and mass production can be completed independently. Our factory is also equipped with 3500㎡ production workshops and laser cutting machines, stamping equipment, hydraulic machines, automatic welding machines, and fine engraving machines. With more than 50 automatic polishing lines, automatic cleaning lines, assembly lines and other specialized equipment, annual production can reach 300,000 units.

  • Industry Experience

    14+
  • Factory Area

    5000
  • Current Employees

    58+
  • Annual Output

    30000+
STRENGTH CERTIFICATION

Our products comply with international industry standards, and we continue to innovate and keep pace with the times.

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