Lock Diary Leather Journal Notebook - Secure 3-Digit Password Personal

Our review of the ARRLSDB lock diary finds it best suited to anyone who wants a classic, compact journal with modest security and a pleasing vintage look. The notebook's main attraction is its built-in three-digit combination lock and fold-over closure, which give day-to-day privacy for personal notes, passwords and memories without relying on electronics. The cover is made from waterproof PU leather and the 200 inner pages use closely spaced horizontal lines for neat handwriting, making this a practical personal organizer for journaling, planning or private record keeping.

Key Features

• Compact size: The cover measures 7.95 in x 5.7 in so it fits easily in a bag or on a bedside table while offering a comfortable writing area.
• Plenty of pages: With 100 sheets (200 pages) the notebook provides ample space for long-term journaling or planning without frequent replacement.
• Mechanical privacy: The 0-9 three-digit combination gives a simple, reliable way to restrict casual access with hundreds of possible codes.
• Readable ruled pages: Horizontal lines with 0.8 mm spacing keep handwriting tidy and make the pages easy on the eyes during long writing sessions.
• Durable cover: High-quality waterproof PU leather adds a vintage look while protecting the interior from daily wear.
• Resettable passcode: A straightforward method to change the passcode means owners can set a memorable combination and ask the seller for help if it becomes locked.

Who It's For

This diary is a good fit for adults and teens who want a physical, portable journal with modest privacy: people who record daily thoughts, travel notes, passwords or private reminders will appreciate the secure fold-over design and compact dimensions.

It is less suitable for writers who need large-format pages or for users who require high-security locking mechanisms; the three-digit mechanical lock deters casual snooping but is not intended to replace a secure safe for sensitive documents.

Pros & Cons

Pros

• Attractive waterproof PU leather cover provides a vintage look and protects the pages from light moisture.
• The resettable three-digit lock offers convenient privacy without batteries or electronics.
• 200 ruled pages with 0.8 mm line spacing keep handwriting neat and comfortable to read.
• Compact dimensions make it easy to carry and store in bags or nightstands.

Cons

• Some users report difficulty fully closing the fold-over, and opinions about the lock's robustness are mixed.
• The mechanical lock provides modest confidentiality but is not designed for high-security needs.

Specifications

Brand	ARRLSDB
Cover size	7.95 in x 5.7 in (20.2 cm x 14.5 cm)
Inner page size	7.48 in x 5.24 in (19 cm x 13.3 cm)
Pages	100 sheets / 200 pages
Line spacing	0.8 mm horizontal ruled
Lock type	0-9 three-digit combination, resettable
Cover material	Waterproof PU leather

Our Verdict

The ARRLSDB lock diary is a compact, attractive option for anyone who wants an analog journal with everyday privacy and a classic feel; it delivers good value for journaling, personal organization and light confidential notes, though buyers who need a very robust lock or larger pages should look elsewhere.

Frequently Asked Questions

What is the original passcode?
The notebook ships with the origin passcode set to 000 and can be opened by sliding the button to the left.

How do I change the passcode?
When the correct code is displayed, push the button to the right and hold it while setting a new three-digit number, then release to save the new code.

What if I forget the passcode?
Contact the seller for assistance; they can help open the diary and guide you to change the code.