TIANLYLIN Welding Helmet Auto Darkening Solar Powered with Adjustable Shade 4/9-13 for Tig Mig Arc Weld Mask (Lightning) - TN-5

• 【Auto Darkening】The light valve (LCLV) in this welding helmet can turn from light to dark within 1/10000 seconds of electricity arc appearing with the principle of photoelectric. The bright state is DIN4 and the dark state is DIN5-9/9-13. 【Solar Powered】 It uses solar cell batteries and CR2032 replaceable lithium batteries to automatically charge and extend battery life. 【Adjustable Sensitivity & Delay】 The welding helmet has a sensitivity and delay setting knob, which can be rotated to adjust the sensitivity and reaction time of the LCD screen on the left and right sides above the LCD screen according to actual needs. 【Adjustable Headgear】 The adjustable headgear conforms to ergonomic design and is easy to operate. There are knobs on both sides to adjust the tightness that suits you, suitable for different people's heads. The forehead is wrapped with a sponge, which has the characteristics of sweat absorption, anti slip, and breathability, not only comfortable but also protecting the forehead. 【Wide Application】The automatic darkening helmet has wider coverage than common helmet. It can be used to protect the face and neck against the damages of the electricity arc and improve the product quality and working efficiency in various occasions such as TIG, MIG, MAG, etc.. The working temperature range is 14°F-140°F.