The Casio Digital Diary SF-3300 is a vintage personal organizer with 32KB of memory capacity. This handheld device, manufactured by Casio, is a compact and stylish unit perfect for storing notes, appointments, and contact details. With new batteries fitted and tested, this digital diary is ready to organize your daily tasks efficiently. Its retro charm adds a nostalgic touch to your computing experience, making it a unique and practical piece for vintage computing enthusiasts. There's no box or instructions just the user guide inside the cover its had new batteries and been reset tested and I have set the time and date .