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The handy auto-darkening feature switches from a light to dark state when your welding begins - light state is DIN 4 and dark state is adjustable from DIN 9 to DIN 13 using the external knob.
Impressive response time from light to dark state in 0.04 milliseconds; return from dark to light state in 0.03-0.04 seconds.
Power is supplied by solar cells with 2 built-in lithium batteries to offer power back-up for longer service life.
Features and specifications:
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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