this model with the following advantages:
1)Large 7-color LCD displays pH, ORP, filter life time etc.
2)126 level Fine tuning of pH
3)3 PCS of pure Japanese titanium electrode, 2 PCS of double baked platinum titanium
4)built-in NSF certified filter
5)Over-current protection
6)Automatic cleaning
7)LED filter replacement indicator
8)pH: 5-10 (Reference value, differ from different water quality)
9)ORP: -550(MAX)
10)Certification: CE, NSF
