Reflective Protuberant Signs, Reflective Spike, Reflective Signpost Advanced Technology Railway Ramp for Crossroads Tunnel Entrance Street Road Specification: Features: Made of cast aluminum material, this guide light is sturdy and durable. Plays a warning role for drivers in poor light or at night, reduce the accident rate. Mainly installed in the middle of the road markings or double yellow lines, the driver is reminded to drive according to the lane by the performance of anti-reflection. Suitable for using in street road, highway, pathway, crossroads, railway ramp, tunnel entrance, etc. Advanced technology, precise design, service life and easy installation to present the best function. Waterproof and dustproof design can and water from getting in to lengthen durability. Specification: Condition: Shell Material: Cast Aluminium Color: Shown as Picture Size: 105 x 105 x 20mm/4.1 x 4.1 x 0.8inch Package Weight: 218g Package list: 1 x LED Road Guide Light