Uses / Indications: Key features of Dr Morepen BP monitor BP-09:4 users interface. Irregular Heartbeat Detection.Low battery Detection.Automatic Power -Off.Comes with WHO Blood Pressure Classification Indication. Specifications:Measurement Method: Oscillometric method.Measurement range : Pressure: 0-300 mmHg, pulse: 30-180 beats /min.Measurment Accuracy: Pressure: +-3 mmHg, pulse:+5% Pressurization : Automatic pressurization.Power Source: 4 X AA batteries.Memory: 120 memories.