Upgraded True Color Technology
Auto Darkening, Shade 11
Unique Gold-Coated Design
Large Viewing Window
Lightweight & Portable
Safe and Reliable
Shade Level (Light State): Shade 3 ,Item Model Number: TC108,ShadeLevel (Dark State): Shade 11,Number of Arc Sensors: 2,ProductDimensions: 4.25 x 2 x 0.31 in / 108 x 51 x 8 mm,Net Weight: 0.094lbs / 0.043 kg ,Power Supply: Solar Powered + Lithium Battery