<p>1. Comprehensive 4-in-1 Water Testing: This water tester combines a salinity meter, TDS meter, EC meter and temperature functions. It offers complete water quality measurement, ensuring a healthy environment for aquariums and other applications, meeting all your diverse testing needs.</p> <p>2. Easy Operation and Quick Switching: Simply remove the digital PH tester's protective cap, immerse the electrode, and the button to measure. -button switching feature allows you to effortlessly manage your water quality, ensuring your drinking water is safe and healthy.</p> <p>3. Portable and Versatile Application: Compact enough to fit in your pocket or bag, this TDS\/EC\/SALT\/TEMP meter is ideal for outdoor use. It's perfect for water quality experts, adventurers, and campers, suitable for pools, labs, aquariums, and more, enhancing your healthy lifestyle.</p> <p>TDS: Range: 0-9999ppm; Resolution: 1ppm; Accuracy: \u00B1 2%</p> <p>EC: Range: 0-9999 \u03BC S\/cm; Resolution: 1 \u03BC S\/cm; Accuracy: \u00B1 2%</p> <p>SALT: Range: 0-9999ppm\/10.1-100ppt\/0.01%-10%;</p> <p>Resolution: 1ppm\/0.1ppt\/0.01;</p> <p>Accuracy: 0-2000ppm @ \u00B1 2% 2000-9999ppm @ \u00B1 5% 10.1-100ppt @ \u00B1 5% 0.01%-10% @ \u00B1 5%</p> <p>Temperature range: 0.1-60 \u2103\/32.1-140 \u2109</p> <p>Temperature compensation: 0.1-60 \u2103\/32.1-140 \u2109</p> <p>Battery: 4 x 1.5V LR44(Not included)</p> <p>Colour:As Shown</p> <p>Material:Plastic</p> <p>Package Contents:</p> <p>1 * Digital Water Quality Tester</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>