SmartHeart Pulse Oximeters

SmartHeart Economy Pulse Oximeter Pulse oximeters with audible results announcement and automatic shut off measure oxygen saturation of arterial hemoglobin and pulse rate Accommodates a wide range of fingers sizes, circumference approximately 20-75 mm, user weight approximately 33 lb. ~ 242 lb. (15 kg~110 kg) Large LCD with red digital readout shows blood-oxygen saturation (SpO2), pulse rate, and pulse bar Low battery indicator; uses 2 AAA Adjustable neck strap with quick release lanyard and detailed illustrated English/Spanish instruction guide