- LCD backlight: improves on screen readability in dim environments, making it easy to view readings and settings without additional lighting. - Low battery reminder: notifies you before power runs out, helping you complete tasks without interruptions and reducing the risk of data loss or incomplete operations. - Voice reminder: provides audible alerts and confirmations, useful when you cannot constantly monitor the display or need hands-free reminders. - Data storage: retains important data and user settings for quick access and continuity across sessions. Use scenarios - Field work in low light: technicians can read measurements and review settings clearly on site, while battery alerts prevent unexpected shutdowns. - Training or demonstrations: instructors and participants benefit from clear backlit displays and audible reminders, ensuring steps are followed and data is preserved. - Quiet or hands-busy environments: voice reminders provide non-visual prompts to confirm actions or alert to important events without requiring constant screen attention.