Clear, easytoread counts 3digit display with a 36 inch red digital tube makes accumulated counts visible at a glance, reducing misreads and speeding up inspections. Reliable data retention Builtin memory saves the count during power loss, up to a maximum of 999 counts, so you do not lose progress during outages or shutdowns. Broad power compatibility Operates from DC 3V to 30V, allowing use with a wide range of power supplies and battery systems for flexible installation. Flexible trigger options Supports automatic counting when power is applied and manual incrementing via key shorting, so you can use the module for both automated systems and manual tracking. How this product helps you Prevents lost work: Persistent memory avoids recounting after power interruptions. Fits into existing systems: The wide voltage range and simple trigger options make integration quick and cost effective. Improves accuracy and speed: A large, contrast red display reduces reading errors and speeds decision making on the line or in the field. Key specifications at a glance Display: 3digit, 36 inch red digital tube Memory: Retains counts during power loss Maximum stored count: 999 Voltage range: DC 3V–30V Trigger modes: Auto on power connection; manual increment via key shorting Practical applications Production and assembly lines: Track unit counts per shift or batch, and retain totals between shifts or during power cycles. Inventory and warehouse counting: Use manual or automatic counting methods for incoming/outgoing items while maintaining totals during interruptions. Maintenance or testing cycles: Log repeat operations or test passes where a simple, reliable count and retained memory are required. What makes this module stand out Combines a large, easytoread display with nonvolatile memory, broad voltage compatibility, and both automatic and manual triggers for a dependable, versatile counting solution.