Code: FVPW65
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Auto-darkening welding helmet, which switches from a light to dark state, when welding activity starts. The light state is DIN 4; the Dark state is adjustable, from DIN 9 to DIN 13 using the external knob. Response time from light to, dark state is 0.04 milliseconds; return from dark to clear state in 0.03-0.04, sec. Power is supplied by, solar cells with 2 built-in lithium batteries to offer, power back-up for longer service life. No need for replacement batteries.
