1/1/1/1 True Color Auto Darkening Welding Helmet, 3.94″X3.66″ Large Viewing Welding Hood Mask with 4 Arc Sensor Solar Powered, Wide Shade 4/5-9/9-13 for TIG MIG Arc Weld Grinding

About this item Better clarity: 1/1/1/1 Optical Clarity, advanced true-color technology, 3.93″X3.66″ Super Large Viewing Size. Auto Darkening: Switching from light to dark only takes 1/30000 seconds(0.1S-0.8S), and equipped with 4 arc sensors, equipped with sensitivity and delay settings to maintain the best viewing conditions, and adapts to different working environments and tasks with adjustable shades for grinding (DIN4), cutting (DIN5-9), and welding (DIN9-13). Continuous Eye Protection: The DIN 16 UV/IR Protection filter works continuously and independently, protect your eyes from harmful light during the welding process meets ANSIZ87.1-2010 and EN3794/9-13 standards. Light, Comfortable and Durable: Made with lightweight PP mask material and 3D adjustment, oversized Exclusive comfortable cushion and multiplicate adjustments headgear: headgear top, tightness, angle adjustment, distance adjustment. Providing you with a perfect fit and comfort, while reducing the load on the cervical spine during work, it is also suitable for long-term wear, conform to the ergonomic principle. Increased Battery Life: Power by solar cell and replacement lithium battery with low battery alarm. Compared to other welding helmets, it has longer working time, can be used in -5℃- 55℃ 23℉-131℉ .