Blue Bidirectional Road Stud For Sale Durban-Nokin. Red Double Side Road Stud Wholesale Durban-Nokin Motorway. Name Cat Eye Solar Road Stud Size 118*108*2NOKINM Weight 330g Solar panel 2V/0.3W mono-crystalline silicon Battery 1.2V/600mAh Anti-High (low) temperature NI-MH battery LED Dia 5mm, 3pcs/side LED color Red,yellow,white,green,blue.