The variable ADF cartridge for Jackson Safety NexGen Digital Variable ADF Welding Helmet is built with four independent sensors positioned to reduce possibility of blockage during welding. This cartridge has a viewing area of 3.8" x 2.35" with a built-in MAG lens holder; The amber lens offers an un-obstructive view during all stages of the welding process, without lifting the hood. With variable shades from 9 to 13, this cartridge has sensitivity and delay adjustments for different tasks and durations, enabling welders to enjoy enhanced visibility and color recognition. Features easy-to-use controls with weld, grind, and torch modes, auto-off function, low battery alert and comes with two replaceable solar-lithium batteries. Established in 1933, Jackson Safety has built a century long reputation for delivering the most innovative safety solutions in the welding and personal protective equipment industries. When it comes to providing safety solutions with long-lasting value, durability and comfort, Jackson Safety has set the standard. Whether the need is for welding protection in a steel fabrication environment, head protection on a construction site, or hearing protection at an airport, Jackson Safety provides the widest range of safety choices to meet the needs of every job and every worker.