Omron H7CC-AUD Omron series digital counter/tachometer in a compact 48 ?? 48 mm IP66-rated housing with screw-terminal connections. Offers 6-digit LCD display, multifunction counting modes (including 1-stage, 2-stage, total, batch, dual, twin counters), tachometer function, selectable SPDT relay or SPST transistor output, and operates on a wide input supply (12?C48 VDC or 24 VAC) with auxiliary 12 VDC support