1. Open the clip; press the Power On button. 2. Insert one finger, nail side up, into the finger opening of the pulse oximeter. Note: if no finger inserted, the device will auto shut off after 8 seconds. 3. Pulse oximeter begins its measurement. Note: make sure the finger is lying flat, Do not shake and keep body steady during measurement. 4. Your SpO2 and pulse rate values will appear on the screen after few seconds. Note: 1. Don’t remove your finger until the measurement is completed. 2. If SpO2 and pulse rate cannot be detected, a symbol will appear on the screen. 3. While pulse strength is low, the reading will flicker
Cleaning 1. Please clean the surface of the device before using. Wipe the device with medical alcohol (70% isopropyl alcohol) first, and then let it dry in air or clean it by dry clean fabric. When cleaning the device with water, the water temperature should be lower than 60°C 2. Using the medical alcohol to disinfect the product after use, prevent from cross infection for next time use. 3. The best storage environment of the device is - 25°C to 70°C ambient temperature and not higher than 90% relative humidity. Note: 1. Do not sterilize, autoclave or immerse this device in liquid. Do not pour or spray any liquids onto the device. 2. Do not use caustic or abrasive cleaning agents, or any cleaning agent containing ammonium chloride or isopropyl alcohol. Maintenance Recommends user to return this device to the manufacturer perform the following checks every 24 months.