1.2 sides lights 2.Super highly bright LED light tube 3.Visual distance 400-500m 4.Functio:flash ,burn steady LED Lamps for 20,000 hours lifePhotocell auto on-at-dusk,off-at dawnBatery:2PCS OF Ni-cd 1000m Ah rechargeable batteriesSolar cell:140mm*25mm,315mv-3v,Input max:120mA8 Hors rechargeable can work 120-150 hours ModleFunctionlightYF-WL08Flash,Burn steadyLED