ITEM NAME:Portable Fingertip Pulse Oximeter Blood Oxygen Saturation Meter Monitor Product Description Description: Portable Fingertip Pulse Oximeter Blood Oxygen Saturation Meter Monitor Included: Portable Fingertip Pulse Oximeter Blood Oxygen Saturation Meter Monitor.If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. Warranty Service.