Sefram 40, LED Voltage tester, 690V ac, Continuity Check, CAT III 600V And CAT II 690V Sefram 40, LED Voltage tester, 690V ac, Continuity Check, CAT III 600V And CAT II 690V, Continuity Check: Yes, Model Number (p): SEFRAM40 GBP 25.66 1