0.1-14 Digital PH Wert Messgerät Wasser Meter Tester Wassertester für Home Labor
LED Stirnlupe Kopflupe Lupe Brille Brillenlupe Licht Lampe Leuchte Stirnband. Easy to use: Simply insert the probe into the liquid, then toggle switch to test temperature and pH. Battery: LR44 button battery(Not included).