Application: pH Display: LCD Operation: 41.5V batteries (included) Communication: N/A Construction: ABS housing Design Features: Easily replaceable electrodes, automatic shut off feature Measurement Range 0.00 - 14 pH Measurement Resolution 0.1 pH Calibration NA Display LCD Working Environment 50ºF - 104ºF, 85%RH, non-condensing (10ºC - 40ºC, 85% RH, non-condensing) Net Weight 3.88 oz (110 g) Meter Type pH ATC Not Applicable Temperature Display Not Applicable Dimensions 1.5 in x 7.28 in x 1.77 in (38 mm x 185 mm x 45 mm) (LxHxW) Battery Life 200 Hours with Disposable Batteries Protection Rating IP67 Power 4 AG13 Batteries (Included) pH accuracy 0.1 Wrist Strap Yes Number of Buttons 1 pH measuring range 0 - 14 Automatic Shutdown Yes, After 6 minutes of non-use Accuracy 0.1 pH Data Sheet Manual