The Sharp YO-500 Electronic Organizer is a compact and functional PDA with 128KB of installed memory. It features a backlit black and white LCD display with dimensions of 80x112 pixels, making it easy to read and use. This model comes equipped with useful features such as an alarm, calendar, calculator, and organiser, making it a versatile tool for staying organized and on top of your tasks. The Sharp YO-500 is a reliable choice for users looking for a simple yet efficient electronic organizer.