With a patented dual-stage light refraction design, the LED beads of the road stud do not need to protrude above the road surface while still achieving excellent long-distance visibility. The road stud remains flush with the ground, ensuring it does not interfere with snow plows or other road maintenance equipment.

Other Studs: Raised Road Studs
Impact to the studs, increased failure rate. 
Damage from cleaning vehicles such as snowplow.
Raised legal disputes with damage to pedestrians and non-motorized vehicles.

ClairSRS: Flush Ground Studs
No extra impact to the studs, enable a long-term life span.
No damage from cleaning vehicles such as snowplow, and no damage to the cleaning vehicles as well.
No damage to pedestrians and non-motorized vehicles.
Patent two-stage light refraction design ensures good visuality for drivers without protrude above the surface of the road

For detailed product introduction: https://bit.ly/3U2T6Mo