Nonin Flex Reusable SpO2 Sensor - Adult, Model 8000J-3, w/25 FlexiWraps, 3mAn ideal sensor for longer term or overnight monitoring. Features; Patient Range: > 20kg (44lbs) Preferred application: Index, middle or ring fingers Includes pack of 25 8000JFW flexiwraps Suits the following devices; Nonin 2500, 2500A, 7500, 8500 Welch Allyn Connex Spot Vital Signs (with Nonin module) Various sleep monitors utilising the Nonin oximetry module 3 month warranty