Measurement Method: Oscillometry Memory: 30 times and average Display: 9 digits LCD display, show systolic/diastolic/pulse rate simultaneously Cuff Pressure Range: 0 to 300 mmHg Measurement Range: 40 to 260 mmHg Accuracy: Pressure ?mmHg(0.5kPa) Pulse ?% of reading Pressurization: Automatic inflation by air pump Deflation: Automatic exhaust Rapidly Deflation: Automatic deflation by electromagnetic valve Power Source: AAA? alkaline batteries Battery Life: Exceed 200 uses Battery Management: Low battery indicator Automatic Power Off: 3 minutes without any operation, power off Operation Environment: 10℃ to 40℃ 30% to 85% RH maximum Storage Environment: -20℃ to 60℃ 10% to 95% RH maximum