Predetermining multi-function counter, LCD 6 digit display, 24 V DC. range of product: Zelio Count – product or component type: multifunctional counter – additional information: batch counter, chronometer, preselection counter, tachometer – display type: LCD – size: 48 x 48 mm – counting frequency: bi-directional counting 2500 Hz, uni-directional counting 5000 Hz – reset: automatic reset, electrical reset, manual – counting capacity: -99999…999999.