Optrel E640
Shade level: 4/10-11
Filter size: 90 x 110 x 7mm / 38 x 98mm
Control the darkness: Inside the helmet
Detection angle: 60° or 120°
Operating temperature: -10°C to +70°C
Total Weight: 460 g
Warranty: 2 years
Certification: CE,DIN,ANSI,CSA,AS