Features 1. Made of high-quality plastic materials, corrosion-resistant, wear-resistant, and long service life. 2. The salinity value can be accurately displayed. The salinity meter is small in size, light in weight, and convenient to carry. 3. With LED display, the measurement results can be clearly and visually displayed for easy reading. 4. Powered by 3 pcs 1.5V LR44 160mAh batteries (not included), allowing for easy battery replacement and simple operation. 5. Suitable for the detection of salt content in freshwater aquaculture, freshwater aquariums, marine aquaculture, seawater aquariums, seawater, brine, soup, and liquid food. Specification Item Type: Salinity Meter (Battery not included) Material: Plastic Color: Blue and White Weight: Approx. 161g / 5.68oz Salinity Range: 0.1-20.0% Resolution: 0.1% Accuracy: 1% Power Supply: 3 pcs 1.5V LR44 160mAh Batteries (Battery not included) Size: Approx. 21 x 4 x 3cm / 8.27 x 1.57 x 1.18in Package List 1 x Salinity Meter (Battery not included) 1 x Manual