The pulse oximeter features a bright, clear LED display and is designed for ease of use with a simple one-button operation. It takes just 8 seconds to display accurate SpO2 and pulse rate readings. Lightweight and portable,. Product Features 【Easy to Use】: Featuring a simple one-button operation, this pulse-oximeter is designed for hassle-free use. 【Convenient Auto Power-Off】: To conserve battery life, the pulse oximeter fingertip automatically powers off after 5 seconds of inactivity. This efficient power-saving feature ensures long-lasting use without the need for frequent battery replacements. 【Clear LED Display】: The large, bright LED display ensures clear readings, even in low-light conditions, making it easy to monitor your health anytime, anywhere. 【Convenient & Portable】: The pulse oximeter is lightweight, compact, and comes with a durable carrying case and lanyard, perfect for on-the-go use. Package Includes 1 x Fingertip Pulse Oximeter 1 x Detachable Lanyard (for easy portability) 1 x User Manual (for setup and guidance) Note:Battery not included How To Use Turn On the Device: Press the "On" button to activate the oxygen monitor fingertip. Insert Your Finger: Place your finger into the rubber chamber, ensuring it is properly aligned. Wait for the Reading: In just a few seconds, the device will display your SpO2 and pulse rate on the large LED screen. Interpret the Data: View your SpO2 percentage, pulse rate, and pulse strength on the display. The LED will show the data clearly, including pulse rate bar graphs for ease of understanding. Automatic Shutdown: The finger pulse oximeter will turn off after 5 seconds of inactivity, helping preserve battery life.