0.01 Portable Online pH-991 TDS Meter test for Aquarium Acidimeter Analyzer pH & TEMP Meter Measure With High Precision     TEMP: -50°C ~ 70°C (-58°F ~ 158°F)
Resolution: pH 0.01
       TEMP: 0.1°C (0.2°F)
Accuracy: pH ± 0.1
      TEMP: ±1.0°C (±2.0°F)
Temperature Compensation: 0°C  ~ 50°C (32°F ~ 122°F)
Environmental temperature: 0°C ~ 50°C (32°F~ 122°C)  
Power supply:  DC  6V (Power Adapter Usable)
Battery: 4×1.5V AG-13 Button Cell Batteries (NOT Included)
Color: Yellow
Material: ABS
Length of Temperature Sensore: Approx. 90.5cm / 35.6in 
Length of pH Electrode: Approx. 119cm / 46.8in 
Item Size: Approx. 7.5 * 6.7 * 2.5cm / 2.9 * 2.6 * 1.0in (Excluding Temperature Sensore)
Item Weight: Approx. 57.9g / 2.0oz (pH & TEMP Meter Body)
Package Size: Approx. 21 * 10.4 * 5cm / 8.3 * 4.1 * 1.9in
Package Weight: Approx. 299g / 10.5oz

note:  this item comes without retail box 

            this item is ph meter， haven\`t the function of TDS Tester.

         the product plug of this item is EU PLUG and if you want it as some other speciations ，pls contact us，

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