- Durable metal construction for long term reliability Built to withstand daily wear, this combination lock delivers stable, reliable performance with a sleek, elegant look. - Smart functionality for easy code setup Enhanced ease of use with accurate input and family friendly reminders that simplify code setup. Designed for everyday use while maintaining strong security and intuitive features. - Solid security with precise mechanics Made from solid metal to deter unauthorized entry, while providing precise mechanical operation to improve overall security. - Tool free quick installation Install securely in about 30 seconds with an intuitive process that requires no tools and does not damage doors during setup. - Use scenarios Ideal for front or interior doors in homes, apartments, or shared spaces where convenient code based entry is needed; suitable for guests or family members who require easy access without compromising security.