... bright LED light tubeFlash frequency: 120 beats / minBattery Type: Rechargeable Ni-Cd BatterySolar Power: 0.3WSolar Cell type: single / polyLight color: yellow ... lighting of road segment;2, intersection / crossing Office (reduction tips);3, U-turn roads;4, foggy zone (beach, the airport ... road);5, highway and non-street roads;6, elevated, and the tunnel entrance and the exit of the ...