The L1 Stainless Steel Bull Head Smart Lock is a high-performance security solution designed for outdoor iron gates. Constructed from 304 stainless steel, this lock combines modern technology with durability to deliver enhanced security for residential and commercial properties. Offering a range of unlocking methods, including fingerprint recognition, PIN codes, keycards, Bluetooth, and an optional remote control, the L1 lock ensures convenient and secure access for users. With an IP66 waterproof rating and a wide operating temperature range from -30℃ to 70℃, it is perfectly suited for use in outdoor environments where durability and reliability are crucial.
send inquiryIron gates, courtyard entrances, and villa perimeters demand something tougher than what works fine on an interior door. That's precisely the gap the L1 Stainless Steel Bull Head Smart Lock was built to close. It pairs a compact digital front panel with a genuinely solid 304 stainless steel bull head lock body — hardware substantial enough for exterior gate structures where a standard indoor lock simply wouldn't hold up.
The front panel runs on a black glossy touchscreen, with a fingerprint recognition ring positioned right at the top. Beneath the indicator bar sits a clearly laid-out numeric keypad for PIN entry, while the card icon and lock buttons keep day-to-day operation straightforward. Down at the bottom, the silver section carries the Abrain SUS304 marking — a small detail, but one that quietly reinforces exactly what material this lock is built from.
Flip to the lock body itself and the construction tells its own story: brushed stainless steel housing, a manual knob, and a separate latch receiver — the kind of layout you'd expect from a proper bull head gate lock rather than a repurposed indoor mechanism. It's compact, sure, but there's still real weight and solidity to how it sits in the hand and on the gate.
Here's what actually makes the L1 hold up as a complete gate locking solution rather than just a digital panel bolted onto a basic mechanism.
The lock is built from 304 stainless steel — a material outdoor door hardware relies on heavily, precisely because it resists rust, corrosion, and general surface wear far better than the alternatives. For iron gates and courtyard entrances, that durability matters a lot more than how the lock looks on day one.
Outdoor hardware deals with moisture, dust, direct sunlight, and constant temperature swings. Stainless steel construction is what lets the L1 keep performing consistently through all of that, rather than degrading after a season or two.
Rated IP66 for water resistance, the L1 is built to handle rain and splashing water without issue — a genuinely important detail for villa gates, garden entrances, exterior iron doors, and commercial perimeter access points that sit exposed to the elements year-round.
In humid regions, coastal properties, or areas with heavy seasonal rainfall, that IP66 protection meaningfully cuts down on moisture-related failures down the line.
Access options on the L1 include:
That range gives users considerably more flexibility than a traditional mechanical gate lock ever could — family members, staff, property users, and authorized visitors can each rely on whichever access method fits their situation best.
Operating across a range of -30℃ to 70℃, the L1 handles cold winters, hot summers, and sharp day-night temperature swings without missing a beat. For gate hardware sitting directly exposed to the outdoors year-round, this kind of tolerance isn't optional — it's essential.
The lock body itself is horizontal, stainless steel, fitted with a manual knob and a side latch receiver — a structure purpose-built for iron gates and courtyard doors where a conventional mortise lock just wouldn't fit properly.
That separate latch receiver gives the lock a solid, practical locking point specifically suited to gate-style installations.
The smart front panel measures 155 mm in height and 60 mm in width, with a panel thickness of 15.8 mm — slim enough to sit cleanly on a gate surface without adding unnecessary bulk.
Lock body dimensions come in at:
These measurements give installers and project teams everything they need to confirm fit before committing to installation.
Smart access and serious gate hardware need to work together for outdoor spaces, and that's exactly the territory the L1 Stainless Steel Bull Head Smart Lock was designed for.
| Application | Usage Description |
|---|---|
| Outdoor Iron Gates | Built for metal gate structures needing durable smart access |
| Courtyard Entrances | Fits residential courtyards, garden gates, and enclosed outdoor areas |
| Villa Gates | Fingerprint, PIN code, card, and Bluetooth access for private entrances |
| Commercial Gates | Controlled access for offices, small facilities, or property entrances |
| Exterior Security Doors | Suited to outdoor doors needing waterproof, stainless steel construction |
For projects where access convenience, weather resistance, and a genuinely solid lock body all need to come together, the L1 tends to check every box.
Founded in 2011 in Yongkang, Zhejiang province, the company covers an area of 5,000 square meters and employs 58 people. We are an 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 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
5000m²
Current Employees
58+
Annual Output
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