Smart Lock Buying Guide
Choose the right LNDU smart lock by checking your door, access needs, backup options, and setup preferences.
What to consider before you choose
Daily access
Choose the way your household unlocks most often.
Connectivity
Review app, Wi-Fi, Bluetooth, and smart home support by model.
Backup access
Look for another way to get in when batteries or connections need attention.
Installation
Check your existing lock setup and installation comfort before ordering.
Check before buying
Start with your door setup before comparing features.
Door Thickness
Check the thickness of the door itself, not the frame.
Backset
Check the distance from the door edge to the center of the lock hole.
Existing Lock Type
Confirm whether your current setup uses a deadbolt, handle set, or another lock type.
Door Condition
Make sure the door opens, closes, and locks smoothly before installation.
Choose your daily access
Feature availability varies by model.
Fingerprint
A convenient option for everyday entry on supported models.
Keypad
PIN code access for family members or guests.
App Control
Use app features where supported by the model.
Apple Home
Available on selected models. Check each product page before purchase.
Video
Available on video lock models for front door visibility.
Physical Key
A practical backup access method on supported models.
Understand connectivity
Connectivity and smart home support vary by model. Check each product page for supported features.
Bluetooth
Nearby control may be available depending on the model.
Wi-Fi
Remote features may require Wi-Fi support and setup.
App control
App features vary by model and setup.
Smart home platforms
Apple Home and other smart home support vary by model.
Plan backup access
Physical key
Check whether the model includes physical key access.
Low-battery reminders
Review battery reminders and replacement guidance by model.
Emergency power
Some models support emergency power options. Check the product page.
Multiple access methods
Choose a model with access options that fit your household routine.
Think about installation
Review your existing lock setup, door condition, and comfort with basic installation before ordering.
Compare LNDU smart locks
Review model-specific features, access methods, and compatibility notes before choosing.