Question 1

What types of traffic signal lights do you produce?

Accepted Answer

We supply a full range of traffic signals, including vehicle round traffic lights, left/straight/right turn arrow signals, pedestrian crossing lights, digital countdown timers, all-in-one integrated pole traffic signals, solar portable temporary traffic lights, parking lot signal lights, etc. Both split type and vertical integrated pole styles are available.

Question 2

What is the service lifespan of your LED traffic lights?

Accepted Answer

the high-brightness LED chips have a rated lifespan of 80,000-100,000 hours. Under normal outdoor use, the whole lamp can work stably for 5-8 years without frequent component replacement.

Question 3

What waterproof & dustproof grade do your traffic lights reach?

Accepted Answer

All lamp housings adopt fully sealed structure, standard IP65 waterproof and dustproof rating. It can resist heavy rain, snow, fog and dust intrusion perfectly.

Question 4

What working voltage options are available?

Accepted Answer

Universal AC 85-265V wide voltage for municipal grid power; we also support DC12V/24V customized voltage for solar-powered temporary traffic signals.

Question 5

Can the lights work normally in extreme hot or cold climates?

Accepted Answer

Our industrial-grade internal power supply adapts to ambient temperature from -40 ~ +85 degree, suitable for cold northern areas, tropical high-temperature regions and coastal salty humid environments. Anti-corrosion aluminum alloy shell prevents rust effectively.

Question 6

What material is the traffic lamp housing and lens made of?

Accepted Answer

Shell: die-cast aluminum alloy (anti-rust, shock-resistant); Lens: high-transmittance PC polycarbonate material, anti-UV, anti-yellowing, impact-resistant, no cracking under strong sunlight long-term exposure.

Question 7

Can we customize the signal pattern, lamp size and countdown function?

Accepted Answer

Yes, OEM & ODM are fully supported. We can adjust lamp diameter, signal graphics, countdown digit display mode, pole height, housing color, light sequence timing according to different countries' local traffic standards.

Question 8

Do your traffic lights support connection with centralized traffic signal controllers?

Accepted Answer

Standard models match most global mainstream traffic signal controllers; we can reserve communication interfaces (RS485, 4G, wireless) for remote centralized control and timing synchronization as required.

Question 9

Why do LED traffic lights flicker occasionally after long-time use?

Accepted Answer

Main causes: loose wiring terminals, unstable power supply voltage, aging drive power supply or partial damaged LED beads. We equip each lamp with surge protection modules to avoid this problem effectively; we also provide detailed troubleshooting manuals.

Question 10

How often is routine maintenance needed for outdoor traffic signals?

Accepted Answer

Quarterly simple inspection is recommended: clean lens surface dust, check waterproof connectors and wiring tightness; inspect internal power supply and sealing condition once a year. Our products need extremely low daily maintenance cost.

Question 11

What if individual LED beads burn out? Is it easy to replace spare parts?

Accepted Answer

LED beads are designed in parallel groups; single bead damage will not cause the whole lamp to go out. We will send a set of free spare LED boards, drive power supplies and waterproof connectors together with bulk orders for easy on-site replacement.

Question 12

Do you supply integrated all-in-one traffic signal poles with lamps together?

Accepted Answer

Yes. We produce matching galvanized traffic light poles, integrated vertical pole pedestrian/vehicle signal systems. The whole set is pre-assembled partially before delivery to save your installation time.

Question 13

Can you produce solar-powered wireless temporary traffic lights for road construction?

Accepted Answer

Available. Equipped with high-efficiency solar panels and lithium batteries, no wired power needed, widely used for road construction, temporary crossings and rural roads.

Question 14

Can the brightness of traffic lights be adjusted automatically day and night?

Accepted Answer

Optional automatic photosensitive dimming function. It reduces brightness at night to avoid dazzling drivers, and enhances brightness under strong sunlight during daytime for better visibility.

Question 15

Do you provide installation guides and technical training for overseas engineers?

Accepted Answer

Yes. We deliver detailed English installation manuals, wiring diagrams and video tutorials together with goods. For large municipal projects, we can arrange online one-on-one technical training for your local maintenance team.

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