detect AC and DC voltages and display them on a segmented LCD

check On-off circuit of various home appliance wires, distinguish between zero and live wires, find breakpoints, and check lines

induction Test function, can detect whether the object is electrified in a non-contact form

lighting Function, which is convenient for finding lines in a dark environment, and can also be used as a flashlight for emergency use

Pen Clip design, easy to carry