SANAISI Solar LED Speed Limit Sign combines >800 m visibility, automatic night flashing, IP65 protection, 3M reflective film and solar power for municipal roads, school zones, residential areas and traffic speed management projects.

| Voltage: | DC12V/DC6V |
| Power: | 2W |
| Leds Distance: | <4.5cm<> |
| Flashing Frequency: | 40±2/min, Flashing Automatically At Night |
| Visual Distance: | >800M |
| Working In Rainny Days: | >360H |
| Material: | Aluminium&Galvanized Sheet |
| Solar Panel: | 17V/3W |
| Battery: | 12V/8AH |
| Size: | 600mm; 800mm; 1000mm Or Customized |
| Packing: | 1pc/ctn; Ctn Size: 65*65*15cm; GW: 9.5kg |


High conversion rate solar panel 17V/4W
Working in rainy days: >7 days.
LEDs extend the visibility of the solar speed limit signs under all weather conditions.
Super brightness led beads, visual distance of solar powered speed warning signs is more than 800m.
Film: 3M engineering grade reflective film.
Material: Polished Aluminum, anti-oxidation, anti-corrosion, good sealing.
Suitable for residential communities where lower posted speed limits need stronger visual emphasis.
Common configurations may include:
20
30
depending on local traffic regulations.
Applicable to:
Factory roads
Warehouse areas
Logistics centers
Internal vehicle routes
where lower internal speed limits are commonly used.
Suitable for:
Parking entrances
Internal driving lanes
Ramps
Underground parking approaches
Particularly useful before locations where drivers need to reduce speed from a higher-speed section into:
Residential areas
Intersections
Commercial zones
Pedestrian-heavy areas

Collects solar energy for the warning system.
Installed around the red outer ring to create an active flashing warning.
Provides passive visibility under vehicle headlights.
Provides the main outdoor structural support.
Stores energy for nighttime and low-sunlight operation.
For the website, this product can be presented with the following manufacturing workflow:
| Manufacturing Stage | Quality Focus |
|---|---|
| Circular Sign Body Fabrication | Diameter and roundness |
| Surface Treatment | Corrosion resistance |
| Reflective Film Application | Adhesion and surface quality |
| Speed Number Production | Graphic accuracy |
| LED Installation | Spacing and consistency |
| Solar Panel Assembly | Charging performance |
| Battery Installation | Energy storage stability |
| Flashing Controller Assembly | Flashing frequency |
| Sealing Process | Outdoor protection |
| Complete Sign Testing | Solar charging and LED operation |
The PPT provides product parameters and features but does not contain SANAISI's official manufacturing-flow documentation. Confirm this process internally before publishing it as an official factory workflow.
The specified visual distance is more than 800 m.
Yes. The parameter sheet specifies automatic nighttime flashing at 40 ± 2 flashes/min.
The supplied product information specifies 3M engineering-grade reflective film.
The parameter table specifies a 12V / 8Ah battery.
The specified protection rating is IP65.
The Product Features section states more than seven days. The parameter table separately lists more than 360 hours, so the guaranteed runtime should be confirmed according to the final product configuration.
The supplied parameter sheet lists:
600 mm
800 mm
1000 mm
Customized sizes
The supplied images show different number configurations including 20, 30 and 50. Other numerical configurations should be confirmed according to the project requirement and factory production capability.
The standard configuration uses a solar panel and rechargeable battery, reducing dependence on continuous grid power.
The product is designed as a solar-powered traffic warning sign and can be configured for municipal, residential, industrial and other speed-management projects subject to the applicable road authority requirements.