pH Indicator Strips, Test Form Paper, Overall Length 16 3/8 in, Test Type pH Test, Testing Parameter One pH, Overall Width 3/8 in, Parameter Measurements Included 1 to 11 pH, Number of Tests 0, pH Resolution 1.0 pH, Test Detects For pH, Parameter Five Measurements Included Not Applicable, Parameter Four Measurements Included Not Applicable, Parameter Three Measurements Included Not Applicable, Parameter Two Measurements Included Not Applicable, Testing Parameter Four Not Applicable