<p>Features: 1. 5-In-1 Multi-Function Tester</p> <p>2. One-Click Mode Switching</p> <p>3. Total Dissolved Solid Value In Water (1~20000ppm)</p> <p>4. Seawater Salinity Is The Ratio Of The Total Dissolved Solids To The Weight Of Seawater. It Is Usually Expressed In Grams Per Kilogram Of Seawater. Measuring Range: 10.1~200.0ppt</p> <p>5. High-Definition Backlight, Clear Display Even At Night</p> <p>Description: </p> <p>1. Test Items: PH, Salinity</p> <p>2. Measurement Accuracy: 1ppm 1us\/Cm 0.01ph 0.01%</p> <p>3. Salinometer: Multi-Parameter Water Quality Detector</p> <p>4. Type: Voice Charging Five-In-One Multi-Function Pen</p> <p>5. Measuring Range: Salinity: 0.00 To 25.00% Ph: 0-14</p> <p>6. Resolution: 1ppm 1us\/Cm 0.01ph 0.01%</p> <p>Note: </p> <p>Voice Model Does Not Include Batteries</p> <p>Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use</p> <p>Material: ABS</p> <p>colour: As Shown</p> <p>Package Contents: </p> <p>1 x Water Quality Detector</p> <p>1 x Data Cable</p> <p>1 x Chinese and English instructions</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>