IP68 Solar Road Stud Light Philippines Parking Lot . IP68 Solar Road Stud Light Philippines Parking Lot get brighter as visibility worsens and can be made to flash at the flick of a switch. Raised Road Stud Lights can alert drivers to ice by turning blue when the road temperature drops below freezing and warn them of delays ahead by being switched to red or flashing amber. solar road marker, solar road marker Suppliers and