[Care about ]: The drinking water test kit is invented, designed and tested by professional institutions to the accuracy of the results of harmful substances such as iron, copper, and lead.It cares about the health of you and your family, allowing you to from harmful water quality. [125 + 6 test time]: 125 16 -in -1 water test paper and 6 E. coli test strips, a sufficient number of repeated tests of home tap water and well water to maintain long -term water quality. [Easy to use]: Drinking water test kit is simple and no other tools are required. The packaging contains a test tube and dropper. Just use the test bar to immerse them in the test tube for 2 seconds, and then wait for to get the test results. [17 indicators and record forms]: Drinking water test kit can test pH, hardness, hydrogen sulfide, iron, copper, lead, manganese, total chlorine, free chlorine, nitrate, zinc, fluorine, sodium chloride, sodium, sodium chloride,Total , colonic , a total of 17 indicators, a total of 17 indicators, and 3 records of recorded paper for easy comparison. [Electronic timer]: The set includes an electronic timer that can help you test water easier and accurate than other products. The 16-in-1 test bar only needs to wait , and the E. coli test bar needs to wait 24-48 hours.(Please note that the electronic timer needs a AAA battery, not included) Material: Paper+Plastic colour: As shown Package Contents: 1 set x ph test strips Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.