is product is a purpose tool: a te pencil + a screwdriver Screwdriver is chrome y eel Screwdriver head rough e hardening treatment make it red and Handle anti slip design conforms to human engineering design andards It can te 50V-1000V voltage Handle is ABS insulation safe not electric sho e Handle whit a Power warning light when e higher e voltage, e greater e brightn of e light, Manufacturer: YPREWY