Model Number: OP004 Key Specifications/Special Features: CF series is suitable for adults and children finger clip oxygen probe has been the market test, selection of high quality and reasonable design, and gradually become the mainstream styleWings shading design, allows more precise numerical tests, shell design compact appearanceCF series finger clip recommend patients weighing more than 20kg/44lbsFeatures:Finger clip sensor-large sizeABS housing, robust, solid structureImproved design for reducing ambient light artifactsDurable cables and optos