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S-reminder is a device, which could indicate speed by projecting light around the windshield. It is installed on the back of rearview mirror, detects the speed limit and compares it with current driving speed. Also, it could remind the driver of safe driving via different shape of light.Different speed limitations are applied in different road sections. Drivers always forget it and thus cause overspeed driving. At the same time, fresh drivers are not sensitive to the speed, putting in potential risk. bring security of driving, and protect life safety of drivers.
Shang Tong Zishuo Fang Tengwen Hu Jieyu Jiang