For Professional Use. Clinically accurate blood pressure designed for professional settings. High BP (Hypertension) affects nearly one-third of Americans. Omron Healthcare made the 907XL, which is designed to reliably help physicians diagnose if a patient suffers from this condition. Clinically accurate blood pressure designed for professional settings. High BP (Hypertension) affects nearly one-third of Americans. Omron Healthcare made the 907XL, which is designed to reliably help physicians diagnose if a patient suffers from this condition. In The Box Blood Pressure Monitor Cuffs (Extra-Large (17″ to 20″), Large (13″ to 17″), Medium (9″ to 13″), and Small (7″ to 9″) Bladder Set 1.3m AirTube ACAdapter Battery Pack Features Display: Digital display Measurement: Oscillometric method Measurement Range: Pressure 0 to 299 mmHg Pulse Rate: 30 to 199 beats/min Accuracy: Pressure: Within ± 3mm H gor 2% Pulse rate: Within ±5% of reading Inflation: Automatic inflation with pumping Deflation: Automatic deflation by electromagnetic control valve Air Release: Automatic rapid air release by electromagnetic control valve Pressure Detection: Electro static capacity semi-conductor pressure sensor Power supply: AC Adapter (120VAC, 60Hz, 13VA) or (120VAC,50/60Hz,0.2A) Battery pack (4.8 VDC, 6W) Electric Shock Protection Method: Class II B type Operating Temperature: 50°F to 104°F (10 to 40°C) Weight of Main Unit: Approx. 32oz (910g) External Dimensions: Approx.51/2”(W) x8”(H) x51/6”