Smarter Tools ST-2SF Auto Darkening Variable Shade Welding Helmet
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<b>[Product Information]</b><br>
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<li>Lightweight shell design reduces Neck tension and fatigue</li>
<li>Solar powered with replaceable CR2032 battery</li>
<li>Auto-on/Auto-off power control; UV/IR protection infinitely adjustable delay times; switching time 1/25000 second</li>
<li>Variable shade from DIN9 to DIN13/light state DIN4; 3.6 in. X 1.65 in. Viewing area</li>
<li>2 extra outer lens shields and 1 extra inner lens shield; 3 years manufacturer’s limited warranty</li>
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