BIOT anthracite-coloured anthracite body made of non-flammable heat-resistant material Termotrek; attachment to the helmet with special universal adapters (included), fixed in two most advantageous positions: working (bottom) and non-working (top); panoramic cover glass and polycarbonate backing.
Auto-darkening light filter with adjustable sensitivity of optical sensors and speed of brightening; external adjustment of the degree of darkening (5-9/9-13); four optical sensors; mode "Grinding" (external switch); natural colour rendering (True Color); dimensions of the visible area 100x60mm; optical properties 1/1/1/1. Replaceable battery.
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