X Series

X31 Smart Lock

Spherical Knob Smart Lock with Fingerprint

The X31 brings minimalist Scandinavian styling to the smart-lock category. A clean black spherical knob hides a fast fingerprint reader and an LED status ring, while the app handles user management and access logs. A mechanical key keeps you covered if batteries run flat — perfect for bedrooms, studies, and side doors.

  • Manufacturer: Fengia (Zhongshan)
  • OEM / ODM: Available
  • Series: X Series
  • MOQ: Negotiable

Unlocking Methods

Features & Capabilities

4 ways to unlock — pick the one that fits your lifestyle.

Fingerprint Unlock
Password Unlock
Mechanical Key
App Control

Why Choose X31 Smart Lock

Key Selling Points

  • Minimalist spherical knob design with LED status ring
  • Fingerprint reader integrated into the knob
  • App-based user management and access logs
  • Mechanical key backup
  • Ideal for bedrooms, studies and side doors

Specifications

Technical Details

MaterialAluminium Alloy + Stainless Steel
ColorBlack + Silver
Unlocking Way
  • Fingerprint
  • Password
  • Mechanical Key
  • App
Fingerprint ModuleSemi-conductor Fingerprint Module
Fingerprint Capacity18 pcs
Password Capacity20 pcs
Battery4 × AAA Alkaline Batteries
Emergency Power5V Type-C
Low Voltage Alarm< 4.8V
Working Temperature-25°C ~ 70°C
Relative Humidity20% ~ 90% RH
MortiseSingle Latch
LanguageTuya App Language
Packing24 pcs / carton, 48.4 × 40.8 × 28 cm, 18.6 KGS/CTN
Smart PlatformTuya
ApplicationResidential Doors

Specifications shown above are confirmed values. For custom specifications, OEM / ODM inquiries, or detailed datasheets, please contact our sales team.

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