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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: LLM
  • Model Number: LLM-SDYDB-06

Packaging & Delivery

Packaging Details LED traffic emergency signs for tunnel;
Standard export carton box package.
Delivery Time 3~15days

OEM LED photoelectric traffic emergency signs for tunnel

Product Description


Brief introduction


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.


Diameter table


Item number




Product Specifications

 250 * 400 * 50 (mm)


 Aluminum alloy

Operating voltage




Photoelectric sign brightness

 Single side display>120cd/M2, double side display> 80cd /M2

Luminous side

 Double-sided / single-sided

LED life

 ≥8 million hours.

Light way

 24h direct light

Environment temperature

 -20 ℃ ~ + 65 ℃


 20% to 95%

Protection grade

 > IP65

Visible distance

 > 500m

UPS Power Duration

 > 90 minutes, if the product was stored for long time, we need to charge the battery in order to ensure the normal work of UPS.


 LED light adopt high quality luminous chips from Taiwan, strong permeability, high brightness, the product according with <the standard of highway tunnel traffic engineering design>.


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