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SMART LOCK GUIDES / Sep 17, 2026

Waterproof Smart Door Lock Guide: 5-in-1 WiFi Fingerprint Lock with Emergency USB Power

Waterproof Smart Door Lock: 5-in-1 WiFi Security for Aluminum and Steel Doors

Outdoor entrances and steel security doors need a lock that shrugs off rain. The SK-X5 waterproof smart door lock unlocks five ways — fingerprint, PIN, RFID card, mechanical key and the Tuya or TTLock App over WiFi — inside a water-resistant aluminum body.

Black smart door lock outside and inside panels with fingerprint handle

Five Ways In, One Reliable Lock

Open with a fingerprint in 0.01 seconds, type a PIN, tap an RFID card, use the mechanical key, or unlock from anywhere via the WiFi-connected app. The C-grade cylinder resists picking and bumping, and cloud storage keeps every access event recorded.

Fingerprint recognition performance under 0.01 seconds on smart lock

Built for Rain and Dust

The waterproof construction is tested against water and moisture, so the SK-X5 suits exposed entrances, courtyards and sea-side homes — not just dry corridors.

Waterproof smart door lock shown with water droplets

Anti-Peeping and Doorbell in One

Enter random digits before and after your real PIN to keep onlookers guessing, and use the built-in doorbell button to announce visitors. If the four AA batteries run flat, the emergency USB port powers the lock back up instantly.

Anti-peeping password input with virtual password on keypad

Where the SK-X5 Works Best

  • Broken-bridge aluminum doors – built to match modern entrances.
  • Steel security doors – strong body, strong lock.
  • Outdoor villas and courtyards – waterproof by design.
  • Hotels and apartments – WiFi access management per guest.

Smart door lock installed on glass door lift up to lock press down to unlock

Getting Started

As a smart lock OEM/ODM manufacturer, we supply the SK-X5 with custom logo, packaging and color options (black, silver or gold) for distributors and retailers. Contact us for samples, bulk pricing or OEM/ODM customization.

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