Looks like a neon test screwdriver but instead of a blade on the end this tester has a probe and a 28" lead which clips to the ground.- Suitable for 6...

Accurate voltage readout as well as polarity check.

Fast and accurate RPM and surface speed measurements. - 2 to 99,999 RPM - 5-digit backlit LCD - integrated laser pointer

Designed to test the electrical system of an automotive vehicle running on 12V or 24V. One of the great features is being able to activate components ...

This non-contact tester detects AC voltages from 200 - 1000V. Featuring red and green indicators, the unit will glow green when safe and glow red when voltage is detected.

Identify dangerous electrical installations.