CHUANGDI TECHNOLOGY
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24
2026
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06
Rader Speed Limit Sign (Radar Speed Smiley Speed Display)
Product Overview
The Rader Speed Limit Sign is an intelligent radar-based speed feedback display system that combines real-time vehicle speed detection, LED speed indication, and visual warning (smiley / frowning face alerts) to improve road safety and reduce speeding.
It is widely used on highways, urban roads, school zones, and industrial areas.
Key Features
✔ Integrated Radar & Smiley Display
High-precision microwave radar detects vehicle speed and triggers LED smiley / warning face indicators for intuitive driver feedback.
✔ Real-Time All-Weather Operation
Stable speed display performance in rain, fog, night, and harsh outdoor environments.
✔ Adjustable Speed Limit (1–199 km/h)
Flexible configuration with overspeed warning activation.
✔ Wireless Communication (Up to 300m)
Supports reliable wireless networking for remote installation and control.
✔ Smart Brightness Control
Automatic brightness adjustment with low power consumption design.
✔ Energy Saving & Solar Option
Supports solar power or mains electricity, suitable for remote highway installations.
✔ Red / Green LED Display
High visibility dual-color LED improves driver attention and warning effectiveness.
✔ Customizable Structure
Custom cabinet size and display configuration for different project requirements.
Technical Specifications
- Product Size: 1200 × 600 × 100 mm
- Digit Display: 460 × 295, 3-digit
- Smile/Frown Face Diameter: Φ410 mm
- Cabinet Material: Galvanized steel with powder coating
- Power Supply: Solar / AC mains
- LED Brightness:
- Red: 500–8000 cd/m²
- Green: 500–10000 cd/m²
- Power Consumption: Max 150W
- Standby Power: 1.18W
- Display Colors: Red / Green
- Speed Detection Range: 0–199 km/h
- Brightness Levels: 1–8 auto-adjusting
- Visibility Distance: Up to 210 m (dynamic)
- Battery: 30Ah / 12.8V × 2
- Solar Panel: 100W
- Speed Limit Range: 1–199 km/h
Applications
- Highway entrances and speed control zones
- Urban arterial roads
- School zones and pedestrian crossings
- Industrial parks and logistics roads
- Tunnel entrances and safety-critical areas
Product Advantages
- High-precision radar speed detection
- Strong visibility LED warning system
- Low maintenance and long service life
- Solar-powered option for off-grid deployment
- Easy installation and stable performance
- Suitable for global traffic safety projects
Conclusion
The Rader Speed Limit Sign (Radar Speed Smiley Display) is a highly effective traffic calming solution that combines radar detection, LED speed feedback, and visual warning design to significantly reduce speeding behavior and improve road safety.