4C Lens Technology is Lincoln Electric's proprietary liquid crystal display (LCD) that enhances the visible color spectrum, broadening the color range and hues in both light and dark states. This eliminates imperfections and color saturation to create the clearest view of the base material, arc, and puddle while reducing eye strain. 1/1/1/1 Optical Clarity that eliminates distortion, removes blurriness, and provides uniform shade & consistent shade at all angles. There is a variable 5-13 shade range, a low profile, external grind controls, and three memory slots to save commonly used settings. The Digital User Interface features four dedicated helmet modes (weld, cut, grind, and auto), innovative auto shade technology that monitors your environment and automatically adjusts the lens shade, and an intuitive digital display that provides advanced control and navigation of helmet settings. Bluetooth connectivity to the FREE GearPoint App to track productivity, predictive maintenance, welder resources, and control settings. X6 Headgear features adjustable and firm-fitting top head supports, a rotatable front headband, a strategically positioned rear headband, an orientation adjustment pin, and easy-to-use forward and backward adjustments to distribute weight, reduce pressure, and optimize balance. Modular LED light improves visibility during arc-off time, while maintaining a low profile that's easily integrated into the shade cartridge. Extra Large 11.8 sq. inch viewing area provides a large field of view to increase versatility and operator control. Replaceable CR2450 batteries ensure increased battery life. It features advanced digital controls, modular workpiece illumination, and auto-shade technology. The new, industry defining evolution of the Viking 3350 Welding Helmet is here. The VIKING 3350ADV Series takes our proven, premium auto-darkening helmet series to a new level, pairing the exclusive 4C Optics and X6 Headgear now also featuring advanced digital controls, modular work-piece illumination, auto-shade technology, Bluetooth connectivity and more! It sets a new standard for the functionality and capabilities for a professionals welding helmet. The 3350 ADV series features a product category changing, intelligent digital user interface which changes the expectations for a professionals welding helmet. The large, high resolution display is paired with simple, precise industrial controls for intuitive adjustments. The user friendly main menu offers a broad range of new helmet features; from Arc Information, Diagnostics, Display Settings, Bluetooth & More!Whats Included: (1) VIKING 3350 ADV Welding Helmet, (1) Bandana, (1) Protective Drawstring Bag, (1) Helmet Sticker Sheet, (5) KP2898-1 Outside Cover Lenses, (2) KP5244-1 Inside Cover Lenses