Conductivity Meter, Automatic Temperature Compensation 10k Ohms / 25 Degrees C, Thermistor, Salinity Range 0.0 to 70.0 ppt, Operating Temp. Range (F) 32 Degrees to 122 Degrees, Operating Temp. Range (C) 0 Degrees to 50 Degrees, Auto Power Off Auto Power Off, Cable Length Not Applicable, Power Source 9V Battery, Includes Battery, Number of Tests 4. This item has been restricted from sale in the following state (s): []