Method of Measurement: Oscillometry Blood Pressure Range: 0-299 mmHg Systolich SYS 60-280mmHg Diastolic DIA 40-160mmHg Heart Rate Range: 30-200 bpm Accuracy ±5% Accuracy: Mean 5mmHg SD 8mmHg measuring algorithm validated to BHS and AAMI protocol International Standards: EN 60601-1, EN 60601-2-30, EN 60601-1-2 (EMC), SP10 ES1 category C ?? (battery powered) Operating Conditions: 10 C (50 F) to 40 C (104 F) 20-85% RH non- condensing Power: Two ??AA ?? alkaline batteries capacity 72h Data Memory: Flash memory stores up to 500 readings Safety Systems: Maximum inflation pressure limited to 300 mmHg; Auto safety release valve for power failure; Press M button to release pressure. Sampling Periods: independently programmable periods (5, 10, 15, 20, 30, 45, 60, 90 and 120 minutes) Size: 70*97*26 mm Weight: Approx 153g (including batteries) Storage Conditions: -20 C bis +65 C; 15%-90% RF non-condensing Data Connection: USB Certification ISO13485 ,Approved CE, ROHS