"Descriptions:\r\nVery Easy to operate , quick testing, obvious results. simplest and cheapest way to test the water quality. buy yourself & see the condition of your drinking water\r\nThe electronic color tester is an effective sales tool that visually demonstrates the difference between high TDS water and low TDS water\r\n\r\nFeatures:\r\nEasy to operate and quick, obvious to get result \r\nProvides a simple way to test water quality \r\nProvide us with the simple and cheap way to test water quality.\r\nUsed to test the water purity level,the client can see the condition of drinking warter\r\nHigh precision\r\n\r\nTesting methods: \r\nPrepare two transparent cups of water (100 to 150 ml ) one cup holds tap water, the other cup holds RO water. \r\nPut metal pillar into two cups, turn ON and begin the test, After 30 to 60 seconds, turn it off and remove the water electrolyzer. \r\nCaution: Avoid the electric shock while using the devise; Do not for touch the rods once the precipitator is plugged into an electric outlet. \r\n\r\nTesting Analysis Results: \r\nBlack: Heavy Metals \r\nYellow: Dissolved acids, fluoride and other organic matter \r\nGreen: Arsenic, for mercury, lead, copper, sodium \r\nBlue: Bacteria, viruses, carcinogens, chemical fertilizers, pesticides, etc. \r\nRed: Iron, rust and bacteria \r\nWhite: lead, zinc, for mercury, inorganic dirt \r\n\r\nSpecifications:\r\nPlug: EU Plug\r\nVoltage: 220V\r\nPower cord length: 85 cm\r\nIron bars Length: 7cm\r\nSize: 10.2x3.7cm\r\nQuantity: 1 Pc\r\n\r\nNote:\r\n1.Transition: 1cm=10mm=0.39inch\r\n2.Please allow 0-3cm error due to manual measurement. pls make sure you do not mind before you bid.\r\n3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nNo Retail Package\r\nPackage Contents:\r\n1 x Water Quality Testing":