Smart Door Lock Cylinder SK-S1K – Electronic Key Cylinder with Password, Card and Tuya App

Electronic Door Lock Cylinder

The SK-S1K is a smart door lock cylinder that upgrades an existing door to keyless entry with four unlock methods: PIN, RFID card, mechanical key and the Tuya App. Built from aluminum alloy with a Type-C emergency port, it fits doors 35-45 mm thick.

Key Features

• 4 ways to unlock – PIN code, RFID card, mechanical key and Tuya App.
• Retrofit in minutes – replaces a standard cylinder on your existing door.
• Tuya App control – manage users, PINs and access from your phone.
• Emergency key included – always have a mechanical fallback.
• Type-C emergency charging – power up quickly if the battery dies.
• Aluminum alloy body – durable, corrosion-resistant construction.
• Low-power CR123A battery – long service life, easy to replace.

Specifications

Model	SK-S1K
Unlock methods	PIN / RFID card / Mechanical key / Tuya App
Fingerprint capacity	100
Door thickness	35-45 mm
Power	1 × CR123A 3V battery
Emergency power	Type-C charging port
Material	Aluminum alloy
App	Tuya App

Applications

The SK-S1K upgrades apartment doors, office doors and home entrances without replacing the whole lock. As a smart lock OEM/ODM manufacturer, we supply it with custom logo, packaging and color options (silver / black) for distributors and project buyers worldwide.

Contact us for bulk pricing, samples or OEM/ODM customization.