MULTIPURPOSE - The voltage tester pen is used to test circuits and connections to see if they are live or check for electrical current in a wire, outlet, switch, or old lamp that has stopped working for office or daily use.
WHAT YOU GET - The package comes with 2pcs tester screwdrivers which work range areAC100-500V. Slotted Head Width: 3mm; Total Size: 151x23mm(L*D)
RELIABLE MATERIAL - Built-in neon tube light, the higher the voltage, the brighter the neon tube light.
SPECIAL DESIGNED - The voltage tester can be used as both a test pen and a screwdriver, making it easier for you to work.
KINDLY NOTE - Do not touch the metal rod during use.