The Save Phace Captain Jack RFP 4 Sensor Welding Helmet features the world's largest viewing area. At over 40 square inches, the 4-sensor, Auto Darkening Filter is integrated into a 180 degree welding lens giving you ear to ear vision when welding! You'll also love the face-forming profile that lets you squeeze into tighter spaces. Because of it's rounded shape, air has an easier time circulating and you stay about 6 degrees cooler under the hood. Save Phace also included their nine point, high quality head gear that allows you to move the helmet closer or farther away from your face; giving you maximum vision and air flow options. The Details: • World's LARGEST Viewing Area of OVER 40 Sq. Inches! • World's 1st AND ONLY 4"x4" ADF Integrated into a 180 Degree Welding Lens! • World's FASTEST Protective Lens Change System (2-3 seconds is all you need)! • New Articulating Multi Point Adjustable Halo Headgear! • Cheater Lens compatible! • Weighs about 16 oz! • Better air flow than ANY other Helmet! • Awesome graphics! • ADF Features: Internal Adjustments, 2 Sensor, Fully Automatic, Grind Mode, Sensitivity, Delay Controls, Grind Flash Indicator, Low Battery Warning • Lower profile than ANY other Helmet in the World! • High heat Nylon! • Includes 2 BONUS Flex Fit Front Protective Lenses