uxcell Voltage Tester Pen AC 100-500V with 3.5mm Slotted Phillips Screwdriver 151mm Length for Circuit Test, Clear and Yellow

Voltage: AC 100-500V; Overall Size: 151 x 23mm /5.95 x 0.91 Inch(L*D) | Slotted/Phillips Screwdriver Head Size: 3.5mm / 0.14 Inch; It can work as a circuit tester or a screwdriver, makes work more convenient | The voltage tester pen is used for testing the circuit and distinguishing whether the object is electrified; The higher the voltage, the brighter the neon tube light. Conversely, the lower the voltage, the dimmer the lamp will be. | How to Use: When using the voltage tester, please insert the screwdriver to the bottom, hold the insulated handle with the thumb and middle fingers, and hold the cap at the end of the voltage tester with your forefinger | Note: DO NOT touch the voltage tester probe