1.solar panel: 6w/5v poly solar panel
2.light source: led 2w*3pcs
3.material: abs
4.battery: 3.7v/8800mah li battery
5.lighting time : 8 hours working after full charge for 3 lamps.
6.overcharge and over discharge protection 7.rechargeable by solar
8.other functions: mobile phone charge function.
9.service life up to 5 years
10.warranty 1 year