1It is a multifunctional water quality tester, which can test PH, EC, TDS and temperature of the water. 2High precision and fast response: fast to get the testing result and can test the PH value for any 0-14PH liquid which you wanna test. 3Adopts the digital screen display with backlight, which is more clear and convenient to read data. 4Suitable for drinking water, food processing, water tank, aquarium,swimming pool, laboratory, industrial wastewater, farmland, etc. 5Compact pen-shape design, lightweight for mobility, you can test water anywhere to get the purest water.Condition: 100% Brand NewItem Type: Water Quality TesterMaterial: PlasticBattery: 3 x LR44 Button Battery (not included)PH Measuring Range: 0-14phTemperature Measuring Range: 0-50TDS Measuring Range: 0-1999ppm, 0-19.99pptEC Measuring Range: 0-1999uS/cm;0-19.99mS/cm.w-e-text table td,.w-e-text table th,.wang-edit-text table td, .wang-edit-text table th{border: .5pt solid 000;};.w-e-text table,.wang-edit-text table{border: 1px solid 000 important;}1 x Water Quality Tester1 x Screwdriver1 x Instruction