Smart Locks

FCV4288LD

Mortise smart lock with door viewer

Mortise smart lock with door viewer.

A slim mortise smart lock in the door-viewer configuration, combining fingerprint, PIN, card and mechanical-key access. Match the mortise option, door thickness and Tuya network module to the actual entrance.

  • Door-viewer configuration
  • 280 × 65 × 22 mm panel reference
  • Fingerprint, PIN and card access
FCV4288LD door-viewer lock and interior display illustrated at a residential entrance
FCV4288LD · Door-viewer application illustration. Confirm the supplied display and enabled Tuya functions.

Mortise smart lock with door viewer.
Match your door.

A slim mortise smart lock in the door-viewer configuration, combining fingerprint, PIN, card and mechanical-key access. Match the mortise option, door thickness and Tuya network module to the actual entrance.

Configuration
Door viewer
Door thickness
45–55 mm
Power
Eight AA batteries
Platform
Tuya Wi-Fi option

Supplied product illustration. Functions and installation hardware follow the confirmed order configuration.

Technical specifications.

FCV4288LD

Parameters follow the matching visible English manual, with supplier lock-body options where stated. Confirm the selected mortise or latch, door preparation, network module and firmware.

FCV4288LD specifications
Panel reference280 × 65 × 22 mm, from the visible door-viewer manual parameter table
MaterialsAluminum alloy and IML panel
ConfigurationDoor-viewer version
Access methodsFingerprint, PIN, card and mechanical key
Credential capacity100 fingerprints, 300 PINs and 300 cards, as listed in the door-viewer manual
PIN length6–8 digits
More specifications
FCV4288LD additional specifications
App optionOptional Tuya Wi-Fi configuration; remote access follows the documented doorbell request and app approval
Mortise options50 × 50 / 55 × 72 / 50 × 85 / 60 × 85 mm supplier configurations; confirm the matching drawing
Door thickness45–55 mm; confirm the selected mortise, spindle and fixing hardware
BatteryEight AA alkaline batteries
Working voltage4.5–6.0 V
Emergency accessMechanical key and Type-C emergency power
Operating temperature−25°C to 70°C
FCV4288LD door-viewer lever exterior and interior panels with keypad and fingerprint handle
FCV4288LD · Credential-panel reference. Enabled functions follow the matching model and Tuya configuration.

Choose the credential.
Enrol the household.

Use enrolled fingerprints, 6–8 digit PINs and cards, with a mechanical key retained for backup. The matching door-viewer manual lists 100 fingerprints, 300 PINs and 300 cards. Confirm the selected firmware and household permissions before daily use.

Supplied product illustration. Functions and installation hardware follow the confirmed order configuration.

FCV4288LD illustrated tamper alert and Type-C emergency power connection on the lever lock
FCV4288LD · Tamper and emergency-power illustration. Follow the matching manual; no remote snapshot claim is made.

Plan the power.
Keep backup access.

Use eight AA alkaline batteries, as specified in both the visible parameter table and installation instructions. The manual lists 4.5–6.0 V operation, a mechanical-key backup and Type-C emergency power. Confirm the external power requirements before connecting a power bank.

Follow the battery and emergency-power instructions for the supplied lock.

FCV4288LD door-viewer lock illustrated at home, apartment, rental and hotel entrances
FCV4288LD · Application illustration. Door fit, access functions and the selected Tuya configuration require confirmation.

A door-viewer version.
A defined workflow.

The supplied front panel and matching manual identify the door-viewer configuration. Optional Tuya Wi-Fi networking follows the documented doorbell request and approval process. Confirm the viewer functions and network module for the selected assembly.

Supplied product illustration. Functions and installation hardware follow the confirmed order configuration.

FCV4288LD supplied panel views marked 280 by 65 by 22 mm
FCV4288LD · Panel-reference views. The matching manual specifies 45–55 mm doors; confirm the selected lock body and drilling drawing.

Measure the door.
Match the lock body.

Check the 45–55 mm door thickness and 280 × 65 × 22 mm panel reference. Supplier mortise configurations are 50 × 50, 55 × 72, 50 × 85 and 60 × 85 mm. Compare the selected body, spindle and mounting template with the door before preparation.

View installation reference

Door and panel dimensions are not a promise of compatibility with every door standard. Confirm the exact preparation.

FCV4288LD manual diagram of the exterior and interior lock panels, fingerprint handle and emergency access connections
FCV4288LD · Panel-component reference from the matching English manual. Use the approved mortise and installation drawing for the supplied version.

Follow the template.
Test with the door open.

Confirm the opening direction, install the selected mortise and set the handle direction. Route the cable, align the spindle, secure both panels and insert eight AA alkaline batteries. Complete credential, latch, door-viewer and emergency-access checks with the door open.

View installation reference

Use the matching manual and the template for the supplied lock-body configuration.

Your questions, answered.

Which app setup applies to FCV4288LD?

Use the Tuya WiFi setup reference for the FCV4288LD Door viewer configuration. Confirm the supplied camera, display, network and enabled app functions against the matching manual.

Which FCV4288LD configuration does its manual cover?

The approved reference covers the Door viewer configuration. Match the camera, interior display, lock assembly and firmware to that reference before installation or setup.

What door details does FCV4288LD need?

Match the FCV4288LD Door viewer assembly and lock body to the door measurements, opening direction and installation reference.