Red Lion CUB5 Electronic Dual Counter and Rate Indicator with Backlight, 8 Digit LCD Display,  20 KHz LCD, LED backlighting display; programmable scaling for count and rate 0.46" High digits; optional relay output module; optional serial communications module Count speeds up to 20 KHz; operates from 9 to 28 VDC power source Bi-directional counting, up/down control; quadrature sensing (up to 4 times resolution) Display color change capability at preset; NEMA 4X/IP65 sealed front bezel