... 3) Weather resistant 4) Easy to install Solar Road Studs: (red,white ,yellow,white,green color for choose) 1) Material: ferrosilicon ... sidesd) 2*transparent plastic shelle) 1*pcb3) Light intensity: 8000mcd4) LED colors: red, yellow, white,white ,bule5) Charging period: 6hr/day6) Lighting ...