LED tunnel signboard, also known as tunnel electro-optic signs, mainly used in the tunnel, it is a kind of traffic safety facility to indicating tunnel security. It is a kind of luminous signs with a certain graphics, symbols and can be clearly identified in low light environment.

Currently, DOT issued <the standard of highway tunnel traffic engineering design> (JTG/T D71-2004) to make provision at tunnel lighting marker, It mainly include emergency call signs, fire equipment signs, pedestrians cross hole signs, emergency parking signs, evacuation signs.

Shenzhen LuMing Traffic Equipment Co., Ltd. was founded in 2006. It is a professional supplier of solar traffic products and traffic safety facilities. And it is an export-oriented high-tech enterprise that combined R&D, production, sales, and after-sale service together.

Flagship brands "LM", "LLM", Products are widely used in lots of highways, highway bridge and urban roads in native and abroad, it is selected as high quality products to many customers, with a good public praise over years, certifications and test reports all in readiness.