Solar panel: 12v/3.5W, more than 20year life time
Size: 600*600MM
Battery: High temperature Li-ion battery, more than 3years life time
LED: Superbright LED, visibility distance>800meters
Controll mode: Light controlled with whole day flashed or night flashed
Work time: It can work 72 hours after fully charging.
Work temperature: -20-+70 centigrade
Protection level: IP65
Other: It can be charged by DC 12V power