(1) Solar panel:12v/3.5W,more than 20year lifetime.
(2) Battery:7.4V/7AH high temperature Li-ion battery,more than 3years life time.
(3) LED: 0.06watt super bright visibility>800meters.
(4) Control mode:Light Controled with whole day flashed or night flashed Material:Aluminum board and Reflective
(5) Work temperature:-20-+70 centigrade.