Very Easy to operate, quick testing, clear results. A simple and affordable way to test water quality. Test your drinking water today. The electronic color tester visually demonstrates the difference between high TDS and low TDS water. Features: - Easy to operate with fast, clear results - Provides a straightforward method to assess water quality - Helps evaluate water purity level - High precision Testing Method: - Prepare two transparent cups of water (100–150 ml each): one with tap water, one with RO water. - Insert the metal electrodes into both cups. - Turn ON the device and begin testing. After 30–60 seconds, turn OFF and remove the device. Safety Warning: - Avoid electric shock during use. - Do not touch the electrodes while the device is plugged in. Specifications: - Plug: EU Plug - Voltage: 220V - Power cord length: 85 cm - Electrode length: 7 cm - Dimensions: 10.2 x 3.7 cm - Quantity: 1 pc Note: - Measurement conversion: 1 cm = 10 mm = 0.39 inch - Allow for up to 3 cm measurement variance due to manual measurement. - Screen settings may affect color representation in product images. - No retail packaging included. Package Contents: - 1 x Water Quality Tester