... easy to useTotally insulated, no exposed metal or conductive partsIdeal for testing AC cables, circuit breakers, wall sockets, junction boxes, ... fuses, etcSmall and compact pen design for easy carryingTest Voltage Range: 90-1000V ACFrequency Range: 50 ... . Please confirm your address. We are not responsible for any wrong or undeliverable addresses. FeedbackWe depend on the ...