Specifications:
--Display system: Digital display system/LCD 7 digits
--Measuring method: Oscillometric method
--Power source: "AAA" batteries 1.5V*4
--Measuring range: 0-280mmHg(Pressure); 40-200pulses/minute (pulse) 
--Accuracy: 3mmHg(pressure);5%(pulse)
--Pressurization: Auto pressurization
--Deflation: Auto release
--Memory: 7 groups datum and 1 average datum
--Automatic power off: To be automatically cut off after 2 minutes of non use to save energy
--Operating environment: 10-40°C, RH<80%
--Storage environment: 0-40°C, RH<80%
--Dimension for packing: 100(L)*82.3(W)*88(H)/mm
--Gross Weight: Approx. 252g
--Dimension: 440*324*300mm(45pcs/carton)
--QTY: 28665pcs/20'; 57330pcs/40 '