The OSSS smart door lock can be controlled by smartphones. It is suitable for installing onto wooden doors. This well-made is finely designed for easy installation.

• Key-sharing is available.
• Backup or duplicate keys are available.
• No account fee charge.
• Free app in the Apple store and Google play.
• Suitable for DIY.
• No NFC, Bluetooth and Wi-Fi requested as use.
• Patent pending technology.