Features: Accomodate wide range of finger size. Measured after a little rest if you did strenuous exercise. Blood pressure and oxygen should not be measured at the same time. LED digital display,clearly show your blood oxygen saturation levels,pulse rate and strength. Light weight for carrying and Easy-to-use. Manually adjust the direction of interface,LED display, simultaneous display for testing value and bargraph. Low Battery voltage indicator. Automatically standby or sleep. Design for sports enthusiasts or anyone interested in measuring their blood oxygen saturation levels and pulse rate. Specifications: Voltage: 2.6~3.6 V Working Current: 30mA Color: Black Power Supply: 2AAA alkaline battery (not included) Package Weight: 40g/1.4oz Package Size: 1393cm/5.13.51.2in Package List: 1 Manual 1* Pulse Meter (Black)
