- This new model is the up-to-date version of Prince-100B series.And it shares most of the gems of the 100B series. But only
- This model is capable of being water-proof, crash-proof and shock-proof. Even if you accidentally drop it, if you spill water on it or if you shake your finger while getting tested, it still can run very well.
- Definitely the best fingertip oximeter so far.