Kewtech 2 Pole Voltage Tester / Voltage Detector Low battery warning Double moulding gives comfortable grip Probe cover protects user & probe tips IP65 (IEC 60529) Detects voltage even without batteries Designed to meet international safety standards IEC 61243-3/IEC 61010-1 Measurement Category (CAT.) IV 600V Continuity tester with LED & Buzzer Phase rotation indicator Single pole phase indicator Live circuit warning LED Variable probe tips, 1.6mm or 4mm& Oslash; with GS 38 option Pen light function for use in dark spaces Auto power OFF