... *72 and 48*96mm 2. Used with sensor or encoder 1. Features of IBEST Digital Sensor Preset Counter:* Preset batch counter, soft buttons ... * Application: can be used with photoelectric sensor, proximity switch, and rotary encoder in the fields of machinery,light industrial, packing and packaging ... .,LTD IBEST CRN Series , Various Dimension , Preset Counter Use With Sensor or Encoder