... 98x43mm, *Switching time:1/25,000s *Outside Senitivity knob Black Carbon Fiber View area 98x43mm Solar Welding Helmet Order No.:LHS998N4071),Filter ... : 1/25,000s7),Delay time:0.25s-0.8s at"Short-middle-long"position8),Sensitivity: Inside continuous adjustable9),Solar cell, no ... , EN175, ANSI Z87.1 and CSA Z94.3 Standard Black Carbon Fiber View area 98x43mm Solar Welding Helmet