Features: 1.Ultra-bright LED used. 2.Two-side flashing – warning on left and right directions. 3.Daytime power storage – flickers automatically during nighttime. 4.Tempered crystal glass body – pressure and impact resistant. 5.High-efficient solar power battery – saves other power source and easier for installation. Applications: For installing at the centerline, double-yellow line, edge line, stop line and island of the road.