- Diode to ensure current only travels in single direction
- Extra long reach
- Green and red LED for determining polarity
- Suitable for 6 to 24V systems
LED test light with an extra long shaft for areas of restricted access. Computer safe circuitry with 10 Meg Ohm impedance, green and red LED’s for determining system polarity and a 1.8m long cord with + & – attaching clips.