Professional digital blood pressure monitor for hospital and medical use. - fully automatic inflation and deflation, large lcd display (5x6 cm) easy to clean. - extra memory: 4 users with 99 memories each - clock mode: show current date and time when not in operation - average readings available hourly, daily, weekly, monthly, over all - 4 alarm setting for medication - irregular heartbeat indication - includes pc link software with usb connector ; measuring type: oscillometric system ; measuring range: - pressure: 20 ~ 280 mmhg - pulse: 40 ~ 195 beats/min. ; accurancy: - pressure 3 mmhg - pulse: 5% ; power supply: 4x aa batteries or ac adaptor (option) ; weight: approx. 380g (including cuff, ex. Batteries) ; external dimension: 195(l)x126(w)x62(d) mm ; arm cuff: 22 - 34 cm 1 pc.