Protection level to IP followed by two Numbers to express, the number used to clarify the level of protection.The first number indicates the extent to which the device is resistant to dust, or how safe people are from harm in a sealed environment. I represents the level of protection against solid foreign bodies. The highest level is 6 .Our perfect aluminium light box extrusion made of IP66 .
|Grade of Waterproofing||IP66(Protection level of equipment enclosure such as lamps and instruments)|
|Surface treatment:||Mill finish, anodizing, sandblasted, silk-screen printing etc.|
Please notice our wonderful aluminium light box extrusion parameter :