In 1 Water Quality Tester Digital Meter Water Quality Analyzer Detector PH or TDS or EC or Temperature or Salinity Test IP67 Water Resistance Backlit Display <b>Specifications:< or b> Material: Plastic Color: White and Black Power Supply: 3 x 1.5V 160mAh LR44 Cell<b>(Included)< or b> <b>Measuring Range:< or b>andlt br or andgt TDS: 0-1000ppm EC: 0-10000US or cm Salt: 0.00-25.00 percent Seawater Salinity: 10.1-200.0ppt Temperature: 0.1-60.0℃ (32.0-140.0℉) Accuracy: 0.01-5.00 percent (±0.1 percent ) 5.01-25.00 percent (±1 percent ) Backlight: Support Waterproof: IP67 Screen Size: 33 x 24 mm Size Package size: approx. 183x37x37mm Package weight: approx. 177g <b>Packing list:< or b> 1 x Water Quality Analyzer 1 x User Manual (English) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.