Aluminum LED Road Stud Solar Road Marker Specification: Description: 1. Solar cell: Poly-crystalline silicon/single-crystalline silicon(2V, 150mA) 2. Storage battery: Ni-MH (600mAH)/super capacitor(50F) 3. Light source: Super luminosity LED 4. LED quantity: 6 pcs or 3pcs 5. Light source color: Red, green, blue, white, yellow(for any choice) 6.