"POCKET COLORIMETER II ANALYSIS SYSTEM; FREEM CHLORINE AND TOTAL CHLORINE, 0.02 TO 2.00MG/L AND 0.01 TO 8.0MG/L WITH REAGENT SET (100 TESTS EACH, LOW RANGE OR 50 TESTS EACH, HIGH RANGE); DIMENSIONS: 2.45 BY 6.2 BY 1.4 INCHES; LCD BACKLIT DISPLAY; INCLUDES MANUAL AND CARRYING CASE; USEPA APPROVED/ACCEPTED FOR DRINKING WATER"