100-500v Multi-function Led Electric Tester Pen Screwdriver Voltage Detector

Features: 1.100% Brand new and high quality 2.Allows you to check or test safely, quickly and accurately. 3.Light weight and easy to carry 4.Multi-function, double head removable 5.Slotted screwdriver function 6.With light indication 7.Measuring range:100-500V Usage: When using self-testing sign in one hand and take the tip in one hand touches the touch electrode. If we can see the internal light emitting electric pen, it means electrified. Specification: Overall length: approx.140mm Tip width: approx.3.5mm Handle diameter: approx.18mm Testing range: 100-500V Package included: 1 x Electric Test Detector Pen