Description Industry defining evolution of the Lincoln Electric Viking 3350 ADV Mossy Oak Welding Helmet K5423-5 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 professional 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! Digital Interface Innovative, user-friendly full color industrial display that allows you to fully utilize all of the advanced features of this hood. Little things like half shade adjustments, memory mode and view of battery life. Auto Shade Technology Dynamically adjust lens based on the arc and user preferences  Unmatched Productivity External, low profile LED light and grind controls combined with three memory slots to save commonly used settings. Light turns off when you start welding. Memory's can be saved from the helmet or your phone through the new app!  Industry Leading Optics 4C ADF Technology improves the performance of the lens in the four most important categories to the welder: Clarity - Optical Clarity 1/1/1/1 Color - Real color view Carat - Lightweight Cut - Even shade from any angle Extra Large Viewing Area - The 11.8 square inch auto darkening lens provides a large field of view to increase versatility and operator control GearPoint Mobile App & Bluetooth Connection Track Productivity - Once downloaded, will automatically track daily usage and review up to 6 months of helmet usage Welder Resources - Features helpful replacement parts instructions, welding how-to's, new product updates and a convenient distributor locater Predictive Maintenance - Set up your Operator Profile and replacement part preferences to be notified when to replace lenses, gun parts and more Control Settings - Easily adjust the welding settings right from your phone 5 Year Warranty  Protects your investment for 60 months from date of purchase! Plus GearPoint tracks warranty and your serial number!  Included with Product (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 Specifications Click the image below to view full spec sheet. Review Video