Features: 1) High visibility LED 2) Edge pointers are solar powered 3) Edge pointers are easily installed by concreting them ... Features:1) Materials: aluminum alloy shell, solar panel (2.4V, 0.3W), Ni-MH rechargeablebattery (1.2V ... ), 6pcs super bright LEDs, 2 transparent plastic shells, 1 circuitboard2) Light intensity: 8,000mcd3) Colors: red, yellow, green, blue LED4) ...