Feature:
100% Brand new and high quality.
Durable construction, high-and low-temperature resistant, acid and alkali resistant
Compact hand held design, portable, easy to carry.
Just plug the product in the 7 pin socket or plug of the trailer or caravan,and then press the yellow button on the side of the product
With a 6 light LED system,
All the LEDs light up when the wiring is good.
Designed to indicate a failure in the wiring on both towing vehicles and trailers/caravans,etc.
Specification:
Battery : 9V Battery (not included)
Voltage 12V
Package Included:
1 x Plug Socket Diagnostic Tools