It is used to check VC high voltage line,if there exists working current and voltages,it can warn with flash and voice.

It is a telescopic insulating stick with an electric enable detector,when line is in electricity status, it spend strong flash and a loud voice to warn worker.

The operating rods could be extended and shrunk when height changed.

Model	Original length of rod(mm)	Extending length(mm)	Insulating length(mm)	Weight(kg)
NV-10	300	1000	900	0.4
NV-35	380	1400	1000	0.6
NV-110	480	1800	1200	0.8
NV-220	750	3800	3000	1.2