issimple finger-worn tally counter with 9-channel operation - 9 channels can be switched freely; each channel stores 000 data. Keep separate counts for different tasks without mixing data. - Fast zero reset: press and hold the lock key and switch key together for 3 seconds to reset the current number to zero. - Clear, readable display: LCD backlit large screen with wide viewing angle; read channel numbers and data at a glance. - Lightweight and compact: small form factor, about 13 g, designed for long wear without fatigue. - Skin-friendly, adjustable strap: food-grade silicone belt fits the finger design, prevents scratching, adjustable size, and reduces slipping when sweating. Use scenarios - Warehouse or store counting: switch between channels to track counts for different product categories without separate devices. - Event management or queue tracking: monitor attendees or ticket checks across multiple channels for quick status updates. - Production or manufacturing line: count units at different stages, keeping per-stage totals organized on independent channels.