FM2310: screen is 7鈥? FM-350: screen is 11鈥? The other parameter is same. 22 parameters, 3 part differential of WBC Sample Volume: 10ul (whole blood), 20ul(prediluted blood) Mersuring Principle: Electro-impedance, photometric analysis Parameter: WBC, LY ,LY% ,MO,MO%,GR,GR% HGB,RBC,HCT, MCV,RDW-SD,RDW-CV, MCH, MCHC, PLT, MPV, PCT, PDWChina Hematology Analyzer website:http://www.fullmedi.com/clinical-laboratory-equipment/hematology-analyzer/