McKesson Brand Differential Cell Counter - Digital 8-Key (1047239_EA) 1/EAAll digital display Eight numbered red white keys with click sound WBC maturation strip Count adjustment functionality standard Ergonomic keys are labeled allowing lab technicians or hematologists to count and classify cells as they visually inspect a blood smear or stained blood film. Labels are BASO for basophils, EOSIN for eosinophils, MYELO for myelocytes, JUVEN for juvenile granulocytes, STAB for stab cells, SEG for segmented neutrophils, LYMPH