JZK ‎- 301 OLED Instant Read Digital Fingertip Pulse Oximeter SPO2H Health Monitoring Display OLED Instant Read Digital Fingertip Pulse Oximeter SPO2H Health Monitoring Display Description‎:‎ The pulse oximeter‎,‎ based on all digital technology‎,‎ is intended for noninvasive spot‎-check measurement of function oxygen saturation of arterial Features‎:‎ Easy to read and color OLED display Lightweight for carrying and pulse curve display Adjustable display brightness and automatic switch‎-off Visual alarm function‎,‎ real‎-time spot‎-check and low battery voltage indicator Standard two AAA 1.5V batteries ‎(‎ not include ‎)‎ that support more than 20 hours continuous work Suitable for sports at high altitudes such as mountaineering‎,‎ skiing and aviation sports Particularly suitable for person with heart failure‎,‎ chronic obstructive pulmonary Suitable for‎:‎ ward care‎,‎ home health care‎,‎ patient testing‎,‎ outpatient medical Usage‎:‎ Install 2 AAA batteries ‎(‎ not include ‎)‎ Put one finger into rubber hole of the oximeter with nail upward‎,‎ then release the clamp Press power button to turn the pulse oximeter on‎.‎ The oximeter will automatically be powered off when no finger in the device for longer than 16 seconds Read correspondent data from display screen   Item Type‎:‎ Blood Pressure For ‎(‎Blood pressure‎)‎‎:‎ Finger Power ‎(‎W‎)‎‎:‎ 1.5 V Materials‎:‎ ABS   Package weight‎:‎ 0.102 kg Product Size ‎(‎ L x W x H ‎)‎‎:‎ 6.00 x 3.50 x 3.00 cm / 2.36 x 1.38 x 1.18 inches Package Size ‎(‎ L x W x H ‎)‎‎:‎ 9.50 x 9.00 x 4.00 cm / 3.74 x 3.54 x 1.57 inches Package Content‎:‎ 1 x Digital Fingertip Pulse Oximeter‎,‎ 1 x Retaining Strap‎,‎ 1 x Belt Pouch‎,‎ 1 x English Manual