The finger pulse oximeter is an affordable and accurate way to check pulse rates and blood oxygen saturation levels. This device can accurately determine your SpO2 (blood oxygen saturation levels), pulse rate and pulse strength in seconds and display it conveniently on a large digital LED display. Reliable accuracy and durability, makes monitoring simple and convenient. Small in volume, light in weight and convenient in carrying. You can prepare one for you and your family.<br><br><strong>Features:</strong><br>One button operation is simple and easy.<br>Various color of cover can be selected.<br>Reliable accuracy and durability, makes monitoring simple and convenient.<br>Results are delivered in seconds and displayed on the large display. <br>Rotatable multidirectional display. 4 directions, 6 modes, allow you to view your results in any direction.<br>Automatic power off after taking away your finger about 5 seconds.<br>Set the alarm and beep according to your needs. There will be a warning once the measured values go beyond the setting.<br>The alarm feature can be silenced for quiet measuring making it easy to take to the office or the gym.<br>Standard two AAA 1.5V Alkaline Bаttеrу is needed for power supply(not included).<br>Small in volume, light in weight and convenient in carrying.<br><br><strong>Specifications:</strong><br>Display Type: 3 color OLED<br>Measurement Range: 35-100%<br>SpO2 Measurement Accuracy: ±2% (70%-99%), unspecified (&lt;70%)<br>SpO2 Measurement Resolution: ±1%<br>Pulse Rate Measurement Range: 30-250 bpm<br>Pulse Rate Measurement Resolution: ±1bpm<br>APulse Rate Accuracy: ±2bpm or ±2% (select larger)<br>Measurement Performance in Low Perfusion Condition: 0.4%<br>Battery: 1.5V 2 * AAA (Not included)<br>Usage Time: about 48H on 2 * AAA batteries<br>Power Consumption: below 30 mA<br>Operation Temperature: 5-40℃<br>Storage Temperature: -10- 40℃<br>Operating or Storage/Transportation Humidity: 10-95%<br>Color: pink, blue, grey, green, purple(optional)<br>Item Size: 5.8 * 3.6 * 3.1cm / 2.28 * 1.42 * 1.22in<br>Item Weight: 32g / 1.13oz<br>Package Weight: 50g / 1.76oz<br>Package Size: 9.4 * 6.4 * 3.9cm / 3.70 * 2.52 * 1.54in<br><br><strong>Package list:</strong><br>1 * Pulse oximeter main machine<br>1 * Lanyard<br>1 * User manual