The Kinfort Slim Smart Lock is specifically engineered for doors with narrow frames, such as aluminum alloy doors, UPVC doors, and sliding glass doors. Unlike standard smart locks, its ultra-thin body (as narrow as 38mm) fits perfectly onto slim profiles without compromising on security or aesthetics.
Built with high-grade stainless steel and featuring an IP65 waterproof rating, this lock is ideal for both interior and exterior applications, including balcony doors and garden gates. With multiple unlocking methods—including biometric fingerprint, encrypted IC card, and the Tuya/TTLock App—it provides a seamless and secure entry experience. The multi-point mortise compatibility ensures it can replace most existing European-style narrow locks effortlessly.
To ensure a seamless user experience, the KF03 supports 5-in-1 unlocking ways:
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Biometric Fingerprint: 360° semiconductor sensor for fast recognition (under 0.5s).
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Anti-Peep PIN Code: Secure access with scramble code technology.
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Encrypted IC Cards: Ideal for elderly family members or office staff.
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Smartphone App Control: Full integration with Tuya Smart or TTLock via Bluetooth/WiFi.
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Emergency Mechanical Key: A hidden keyhole ensures you are never locked out in case of power failure.
Auto LockingThe smart lock will lock automatically after 25 seconds by defauly, you also can set the auto time what you need.
Scarmble Code
When some persons go home with you, scramble code supports you enter random digitals before or after the correct acess code.
Mute Function
Turn on or turn off the sound, up to your choice.
Tuya Module for IOT Use
Comes with connect Tuya module , so there’s no additional hubs needed and it workds off your home wifi.
Sharing And Convenient
Share code with friends, valid for a few weeks, hours, even minutes, and revoke them whenever you need to. All the decisiton in your control.
Key Override
For emergency, it can also be unlocked with a mechanical key.
B2B Opportunities: OEM/ODM & Wholesale
As a leading Smart Lock Manufacturer, Kinfort provides full support for wholesale partners. We offer OEM/ODM services, including custom logo printing and packaging, to help you build your local brand. Our products are rigorously tested for durability and security, making them the preferred choice for real estate developers and security wholesalers worldwide.