Arc One XT540 XT 540 Single Shade Auto Darkening Filter

Utilizes the filter case to extend the auto-darkening filter's total viewing area to an incredible 20 sq. inches. That's 2 to 5 times more than other competitive products.

With a unique patent pending process the XT absorbs the harmful UV/ IR rays like no other. A comfortable shade 10 in the dark state and an incredibly clear light state of 2.5. Solar powered so there are never any batteries to change.

• 2 Independent Sensors
• Switching speed is 0.5 milliseconds
• Water and dust resistant
• Dark to light state delay of 0.2 seconds
• Up to shade 16 UV/IR protection