Specification Brand : Gain Express Label : Gain Express Holdings Ltd Manufacturer : Gain Express Holdings Ltd Model : WQM-242 NumberOfItems : 1 PackageDimensions_Weight : 1.64905771976 PackageDimensions : L:7.599999992248 X W:7.399999992452 X H:2.399999997552 PartNumber : Model Number ProductGroup : BISS Basic ProductTypeName : PRECISION_MEASURING Publisher : Gain Express Holdings Ltd Size : Dimension: 152 x 80 x 20mm SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/51Bs6xvpKiL._SL75_.jpg SmallImage_Width : 75 Studio : Gain Express Holdings Ltd Title : 5-in-1 Water Quality Multi-Parameter PH EC CF TDS (ppm) Temperature Test Meter Backlight, Wall-mountable Rechargeable Continuous Monitor Tester, Aquariums Hydroponics Pool Fish Tank Pond Drinking Weight : 1.6 WeightUnit : pounds