1) working principles:
a) powered by solar energy
b) the solar panel converts sunlight into electric energy
c) the electric energy then is charged into the built-in batteries during the day
d) the light sensor turns on the light automatically at night
2) solar panel type: amorphous silicon
3) panel size: 55x55mm
4) light source color: white
5) Discharging time >8 hours(in the sunny day)
6) crust material: abs
7) Installation: Ground(lawn), wall, corridor