1). View Area:90x40mm
2).Dimension:350x220x180mm
3). UV Transmittance:< or =0.00006%
4). Weight:400g
5). The product with economical price is easy and convenient to operate.
6). The headgear is designed to be adjustable in all directions with the wide regulating range.
7). The cover plate with good transparence is made of macrom-olecular material which would not be spattered. Its welding lifetime is long.