MALFAH ENTERPRISES INGCO Test Pencil HSDT1908 test pencil Screwdriver Tester with Neon Bulb test voltage 100-500V AC Voltage electrical Lineman Tester size 4x190mm A test light, test lamp, voltage tester or men's tester is a piece of electronic testing tools utilized to determine the presence of electricity in a bit of equipment under test. Properly created test lights include features to protect the user from accidental electric shock. Features of INGCO Test Pencil HSDT1908 : It is made of chrome vanadium alloy steel and ABS insulating plastic, high hardness, wear and durability. Insulated handle for ergonomic design. Soft handle for easy and comfortable grips, handy tester for quick and easy to test AC/DC voltage. Press the "inductive break point test" button, and the charged symbol is the phase line. If there is a breakpoint in the live circuit, move the test pen, the point where the trusted symbol disappears is the breaking point. Packed by plastic hanger. Pros : High Quality. Pen-sized. Easy To Use.