Intelligent and automatic inflation and Deflation Simultaneous measurement of blood pressure and pulse The operation is simple, accurate and rapid 2 x 60 groups memory function Arm band circumference: 22 - 32cm Large-scale digital liquid crystal display screen for clear view S size of LCD panel:51 x 60mm M size of LCD panel:65 x 73mm L size of LCD panel:77 x 79mm CE Approval