Speed Limit Sign

I-ROAD Technology's speed limit sign，The structure includes: a solar power supply system (high-efficiency monocrystalline silicon solar panel and lithium battery), a high-precision radar with a detection range of 2-80 meters (6-260 ft), panel display active illuminated signs clearly visible beyond a distance of 200 meters (657 ft), dual-color LED-SMD variable digital information board, optional configuration with SIM card and LoRa networking for remote data transmission. Its lightweight structure, low energy consumption, long lifespan, and low cost, along with integrated design, make packaging, transportation, and installation more convenient.