JOD 20.00
Oxygen saturation, 36%-99% +2% Display method External ,Colored OL ED display screen
dimension ,63*36* 30mm Pluse display , 30bpm-250bpm +1%
Power requirement, 2pcs AAA alkaline battery Weight ,62g(battery weight included) For the convenience and safety of transportation, the package does not contain any batteries.
Working method, intermittent operation Working current,20mA-120mA