DEWALT 3.9 in. x 2.4 in. Wide-View Auto-Darkening Welding Helmet with Variable Number 4-13 Shade Lens

The DEWALT DXMF21011 Wide View Auto-Darkening Welding Helmet lets you protect your eyes against UV and IR light without limiting your view of your work. Two DIN 5 side lenses double the viewable area giving you a wide, almost panoramic view of your work and not just a small slice of it. Three different modes allow this welding mask to be used in multiple roles that require different levels of protection with a DIN 4 grinding mode, DIN 5-8 cutting mode, and a DIN 9-13 welding mode. The lightning fast auto-darkening filter is connected to 4 independent arc sensors that can engage in a mere 1/15,000th of a second. The sensors can additionally be tuned to be more or less sensitive to account for varying working conditions, whether outdoors in bright light / using heavy current or in dark areas / using low current. You can even customize how long the filter takes to lighten after completing a weld from as quick as 0.2 seconds to a longer 1.0 second. To protect the delicate electronic filter, this helmet feature...