The white one that's $10 more is exactly the same except the resolution, meaning this one would read:
4.5
While the other would read
4.53
If you want it THAT precise. It's $10 more.
https://hannainst.com/hi98108-phep-ph-tester.html
4.5
While the other would read
4.53
If you want it THAT precise. It's $10 more.
https://hannainst.com/hi98108-phep-ph-tester.html