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Matte black fingerprint door knob, 3.5 in diameter, metal finish

Meterk Fingerprint Door Knob KLLO-10 Black 3.5 in

SKU CH-02WY-8B3FB

Biometric door knob unlocks by fingerprint, app or key with four operating modes

  • Fit and compatibilityOut-Opening, Narrow Stile, Store Front Doors
  • Labor warranty1 Year
  • Product typeLocking Systems
  • Main materialMetal
  • Size or dimensions9 in × 3.5 in × 3.5 in
  • Color and finishBlack
  • Biometric entry with fingerprint or app
  • Three operating modes for flexible access
  • Mechanical key backup for emergencies
  • Bluetooth app control for access management
  • Fits out-opening narrow-stile doors 3.5 in

Smart Fingerprint Door Knob

The Meterk KLLO-10 provides keyless entry for homeowners and apartment residents using biometric fingerprint recognition or a companion smartphone app. A mechanical key backup is included for emergencies or when electronic functions are unavailable. It fits out-opening and narrow stile doors where traditional deadbolts may not install.

Three Access Modes

Passage mode keeps the latch retracted for unrestricted entry, while normal mode automatically secures the door after five seconds. Privacy mode disables external access for interior rooms, and silent mode suppresses audible feedback during operation. The lock does not support doors fitted with weather stripping.

Battery Operation and Alerts

The unit runs on an internal rechargeable battery that requires at least three hours of charging before initial use. If the battery depletes, an emergency power port allows temporary operation to unlock the door. Low-battery warnings are delivered through the app to prevent unexpected lockouts.

How it compares

Measured against everything we stock in Locks, Deadbolts & Access Control, at today’s prices. Recalculated every night.

Price $51.99
Typical for this category: the median of 358 items is $54.99.

Specifications

Product
Brand nameMeterk
Model nameHand Rivet Nut Setter Kit
Part numberKLLO-10
Product typeLocking Systems
Color and finishBlack
Power
Power sourceNo
Size & build
Main materialMetal
Size or dimensions9 in × 3.5 in × 3.5 in
Compatibility
Fit and compatibilityOut-Opening, Narrow Stile, Store Front Doors
In the box
Number of items1 pack

Questions about this item

Will this 3.5 in knob fit my existing out-opening store-front door?

The lock is compatible with out-opening, narrow-stile and store-front doors; it is not suitable for doors that have weather strips installed.

How do I confirm the fingerprint sensor and auto-lock are functioning after installation?

Register a dry, clean fingerprint centred on the reader; the lock should unlock on a valid print and auto-lock after five seconds in Normal mode.

What comes in the single pack and what must I buy separately for remote access?

One fingerprint door knob is included; a separate gateway is required if you want to control the lock remotely via the app.

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