Solar road stud03 Power supply: solar power Power storage: battery or capacitor Operating time: shined for 8 hours with standard luminous intensity in one time can sustain power supply continuously for 72 hours Shining rate: 4hz f+20 percent Displaying colors: red, yellow and so on ¬ª10 led: 2 x 2 pcs super bright. View distance: over 1, 000 m Life in use: over 3 years used in a efficient way Temperature range: -20 fpc---- + 70 fpc Size: 107 ´ 107 ´ 22.5 mm Material of shell: pc plastic anti- uv material Weight: 550g (single-sided) and 520g (double-sided) Compression resistance: over 8 tons Key features: Two reinforced veins are designed on the top edges of it to not only strengthen compression resistance but also protect the solar panel against compression from traffic loads Solar panel, electronics and optics are fitted inside waterproof and unbreakable Two screw holes are designed on both sides so as to be fitted steadily with screws in road Adopting electronic element against high temperature and so to be suitable for high temperature area On the top edges of it are designed three grooves, which can be an access for rain water or sand or rock, so as to prevent the solar panel from abrasion Epoxy glue is filled in the shell. Easy, simple and steady to install like a standard road stud with two screws or glue in road Suitable for edge line of road 1 pc/ white box, 30 pcs/ carton Carton size: 475x 423x 317mm