LCD display voltage tester pen /screwdriver YT-0401 with CE

It can test 12-250V altermating and direct voltage, no battery drive, with the function of contact test and induce test. Direct key can test phase line, null line, and display the voltage.

This neon-electroscop is applicable for derection of 12-220V zero line, indirection detection of DC, AC power inner conductor, phase conductor and break-point detection.