● Model Number:B877 ● Power Source:Electric ● Power Supply Mode:Removable Battery ● Material:PVC ● Quality Certification:ce ● Safety standard:ISO13485 ● Product name:Digital Blood Pressure Monitor ● Product size:125*104*56MM ● Certificate:CE ISO13485 ROHS ● Color:White ● Function:Blood Pressure Checking ● Display:Digital LCD Display ● Measurement method:pulse scanning method/oscillographic method ● Measurement range:hypertension/hypotension:20mmHg~280mmHg ● Memory:99 Groups Memories ● Power supply:DC6V(AAA Battery*4pcs)