Help GuideWearable Thermo Device Kit/Wearable Thermo Device Sensing Kit/Wearable Thermo DeviceRNPK-4/RNPK-4T/RNP-3Notes on cleaningWipe off any dirt gently with a soft cloth. If the unit is very dirty, soak a soft cloth in neutral detergent diluted withwater, wring it out hard, wipe off the stain, and then wipe dry with a dry cloth. Do not use alcohol, benzene, thinner,etc.Strongly wiping off the unit using a cloth with dust may scratch the surface of the unit.E-992-100-12(1) Copyright 2023 Sony Group Corporation42