Specification:
1) Material: Glass
2) Lifetime of Solar Battery: 8 years
3) Lifetime of Accumulator: 4 years
4) Lifetime of Electronic Components: 7-8 years
5) Light source: 6pcs LED
6) Brightness : 6000-8000 mcd
7) Lifetime of LED: 8000 hours
8) Working time: 12 hours each night
9) View distance: Over 200 metres
10) Gleam the frequency: 140-180 times/minute
11) On/Off: Automatically