ootdty 250v waterproof voltage tester injected electric pen detector screwdriver sample with indicator light voltage tester pen

testing range: 70-250 v ac voltage contacts test range: 70-250 v ac voltage without contact test range: 70-600 v dc voltage highest tested: 2500 v polarity test: 3 v-36 v voltage test: 50-500hz total length: 140mm type width: 3.5mm handle diameter: 16mm characteristics: with an indicator lamp, can measure breakpoints, move along the contact, when the indicator light was not a breakpoint, can measure the line or is electrified, the contactless sensor test, safe and reliable. 1. waterti