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.