Digital Differential Blood Cell Counter DBC-9D is used in hematology to classify and count white blood cells. Microprocessor Controlled: Ensures accurate and simple counts Button Identification: 8 buttons in red and white sequence Display: Each button has a 3-digit LCD window, plus an additional 3-digit LCD for the total count Cell Labels: Includes BASO., EOSIN., MYELO., JUVEN., STAB., SEG., LYMPH., MONO. Audible Feedback: Click sound on each touch; short beep at every hundred increments Functions: Percent Calculation: Push the % button Reset: Clear counts with the reset button Adjust Counts: Use the +/- button Additional Features: Adjust contrast and monitor battery with the function (FUN.) button Power Supply: Compatible with 100~240V or 2 AA batteries Quality Certification: ISO 9001, ISO 13485