Meterk Smart Door Knob Fingerprint Lock 4-in-1 Black 5.7x2.7x1.5 in
A 4-in-1 keyless door knob unlocks by fingerprint, app, code or mechanical key and auto-locks five seconds after closing
- TypeLocking Systems
- MaterialMetal
- Size/Dimensions5.7 in x 2.7 in x 1.5 in
- Color/FinishBlack
- Compatibility/FitmentOut-Opening, Narrow Stile, Store Front Doors
- Power Requirementstrue, false
- Unlock in 0.5 seconds with 99% fingerprint accuracy
- Store up to 100 fingerprints, codes or cards for family access
- Four entry methods: fingerprint, app, keypad and mechanical key
- All biometric data stays offline in an encrypted local chip
- Fits 1.18 to 1.97 in thick doors with no drilling required
4-in-1 Smart Door Knob for Home and Office
The Meterk smart door knob replaces a standard handle with a keyless system that accepts fingerprints, a Tuya app code, a keypad entry, or two mechanical backup keys. It is built for families, landlords, or small offices that want to stop carrying physical keys while keeping a simple mechanical fallback.
Fits Standard Wooden Doors Without Drilling
Installation uses the existing bore holes on doors 1.18" to 1.97" thick and works on left- or right-hand swings. The kit includes every tool and a video guide so the swap can be finished in minutes. The only limitation is that it suits out-opening, narrow-stile, or storefront wooden doors; it will not mount on metal frames, thick security doors, or profiles outside the stated thickness range.
Stores 100 Users With 0.5-Second Unlock
Up to 100 fingerprints and 100 codes can be saved locally on the encrypted chip, and the sensor recognises a print in 0.5 seconds. The keypad locks for three minutes after eight failed attempts, and a USB-C port accepts a power bank when the batteries die. The lock auto-secures five seconds after the door closes, and silent mode disables the beeper for night use.
Highlights
- Unlock in 0.5 seconds with 99% fingerprint accuracy
- Store up to 100 fingerprints, codes or cards for family access
- Four entry methods: fingerprint, app, keypad and mechanical key
- All biometric data stays offline in an encrypted local chip
- Fits 1.18 to 1.97 in thick doors with no drilling required
Specifications
| Type | Locking Systems |
|---|---|
| Material | Metal |
| Size/Dimensions | 5.7 in x 2.7 in x 1.5 in |
| Color/Finish | Black |
| Compatibility/Fitment | Out-Opening, Narrow Stile, Store Front Doors |
| Power Requirements | true, false |
| Features | Widely Use |
| Brand | Meterk |
| Model | Hand Rivet Nut Setter Kit |
| Item Count | 1 pack |
| Part Number | Q1 |
Questions about this item
How can I verify the lock recognises fingerprints at the stated 0.3-second speed after installation?
Enroll a finger in the Tuya app, then press the sensor; the handle unlocks in 0.3 seconds when recognition succeeds.
What comes in the package and what must I source separately?
The pack includes the smart knob, two mechanical keys, mounting hardware and a video guide; four AA batteries and a USB-C power bank for emergency charging are not supplied.
Which door thicknesses does the 5.7 x 2.7 x 1.5 in black model support?
It fits wooden doors 1.18–1.97 in thick, both left- and right-hand swing.
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