SPECIFICATIONS Super capacitor technology instead of battery (No environmental pollution when disposed) Super capacitors have double the lifespan than that of standard batteries (Life-span more than 5 years) Compression strength of >15tons LED warning distance >300M, Reflective warning distance of >60m Special convex lens design, stud body fully installed in the ground to reduce heavy vehicles from lifting them off Weight: 350g/pc(±10g)
