LED Lamps for 20,000 hours life. Photocell auto on-at-dusk,off-at-dawn. standard featuresLED Lamps for 20,000 hours life.Photocell auto on-at-dusk,off-at-dawn.Battery:2pcs of Ni-cd 1000m Ah rechargeable batteries.Solar cell:140mmx25mm,315mv~3v,lnput max120mA.8 hours recharged can work 120-150 hours. Solar Warning Light