Test Strips, Test Form Strip, Overall Length 2 3/4 in, Test Type Test Strips, Testing Parameter One Free Chlorine, Overall Width 1/4 in, Parameter Measurements Included 0 to 1,000 ppm Free Chlorine, Number of Tests 100, pH Resolution Not Applicable, Test Detects For Free Chlorine, Includes Vial of 100, Parameter Five Measurements Included Not Applicable, Parameter Four Measurements Included Not Applicable, Parameter Three Measurements Included Not Applicable