PH Meter High Digital Precision Ph Tester Backlight Display Water Quality Teste.
High Precision: Accurate to ±0.1pH, more precise. - Backlight Display: Easy to read and does not affect the use in the dark. Accuracy: ±0.1pH. Resolution: 0.01pH. Item Size: Approx. 15 6.5 2.5cm / 5.91 2.56 0.98in.