Introducing the Emtop Testing Screwdriver your go-to tool for electrical safety checks. With a test voltage range of AC 100-500V and a reliable slotted size of 4x190mm, this screwdriver ensures precise testing and peace of mind. It comes conveniently packed on a plastic hanger for easy storage and accessibility. Trust Emtop for safety and accuracy. Get your Emtop Testing Screwdriver today!