Quick and Reliable TDS Meter: Simply immerse the TDS meter in water, stir, and get results quickly. The upgraded alloy probe and advanced sensor technology ensure consistently accurate readings every time Digital Water Quality Tester: The large LCD screen provides clear results wherever you are, making it easy to check TDS levels whether you're traveling, shopping, or just curious about the water quality Highly Sensitive Probe: The sensitive probe gives instant feedback on water purity. Just press the power button and place the meter in the water. The lower the TDS value, the fewer dissolved solids are present, indicating purer water Versatile Applications: Suitable for testing TDS levels in a variety of water sources including aquariums, swimming pools, or any water supply Specifications: Material: ABS plastic Measurement Type: TDS value Application Areas: Household, hospitals, swimming pools, CDC, water plants, aquaculture Voltage: 3V Operating Temperature: 0℃-60℃ Product Size: 8.4*2.2*1.2cm Product Weight: 13g Measurement Range: 0-9999 ppm TDS Range: 1-9990 ppm