1.Brightness changing: #3
2.Darkness changing: #11
3.Power supply: solor power
4.Light-changing speed: 5/10000s
5.Lasting time: 0.1s-3s
6.Protection material: PC
7:Anti-scraching: with the the protection coating
8.Anti-strong light: decent strong light; protect glasses
9.Anti-impact: prevent strong impact; strengthen the glasses
10.PC lens: prevent ultraviolet rays

Package Included:

1x Glasses
2 x telescopic legs