5 in1 TDS/EC/PH/Salinity/Temperature Meter Digital Water Quality Monitor Tool
Nano Sheild. TDS factor: 0.4 to 1.0. Save power, extend battery life. (Battery is included). Am 12.10.21 hat der Verkäufer die folgenden Angaben hinzugefügt 1 Water Quality Monitor Tester (Battery is included).