Salinity Range:0.1 to 20.0%Salinity Resolution:0.1%Salinity Accuracy: +- 1%Calibration:3.5% standard calibration liquidTemp.Compensation:Operation Environment:0 to 80.0 Celsius32.0-176 Fahrenheit; Less than 90%Temp.Range:0.1-80.0 Celsius 32.0-176 FahrenheitTemp.Accuracy: +- 0.5 Celsius FahrenheitTemp.Resolution:0.1 CelsiusFahrenheitAuto shut off:5 minutesPower:3x1.5 LR44 battery cellnot includeDisplay:LCD;support backlightBattery:ow battery indicatorWaterproof level;IP 67 dust-proof;waterproofMultifunctional water quality test meter integrating sat CelsiusF,used to measure salt salinity in%,temp Celsius Fahrenheitof liquid.The product adopts human body mechanics design,with IP67 dust-proof,waterproof, grade,,portable,anti-skid,anti falling,fast measurement,high stability,good consistency and other characteristics.Widely used in family kitchen,hotel catering,food processing and other fields.Colour: blueMaterial: plasticPackage Contents:1 * Salinity MeterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +- 1-3cm.