Portable Water Electrolysis Water Quality Tester Tool Features: Premium quality: made of premium materials, compact and lightweight, robust and durable in use. High practical usability, not easily deformed and damaged, strong wear resistance. Application: great tool set for drinking water, water filtration and purification, hydroculture, aquaria, swimming pools and spa s, and more. Handy: easy to use, fast testing with clear test results. It is easy to install, easy to use, light of weight, easy to carry. It is a simple and inexpensive way to test the water quality, check the condition of your drinking water. The water appears to differ in colour after electrolysis to show different impurities in the water. Notice: Do not hold the electrode with your hands when it is switched on. Don't stick your finger in the test water. Don't let kids play on the electrolyte. After the electrolysis device has been used up, a dry cloth is applied to dry the electrode, and the water on the iron pole is wiped off with gauze and well preserved. Specification: Material: plastic, metal Voltage: 220V Main color: black Weight: approximately 200g Package: 1x Water Quality Tester