Lightweight design ideal for extended use offering excellent neck and head protection. Designed for use with cartridge respirator. Features 2 independent arc sensors. 3 position sensitivity and delay controls. Easy auto darkening filter and cover plate removal and installation. Comfortable push and twist adjustment allows custom fit. Complete with grind mode. Meets ANSI Z87.1 and CSA certified to CAN/CSA Z94.3 standards. Solar operated.