Welding can be dangerous. So you may need a helmet to protect you from hurting your eyes and face. This true color solar powered auto darkening hood with adjustable side shade range 9-13 can meet your needs. Equipped with 3.62*1.65in view window as well as sensitivity and delay settings, this grinding helmet has a clean and wide view(3.62*1.65in), and its battery powered with solar panel technology built for longer life (up to 5000 hrs). It is weighted 1lbs with adjustable headgear, letting it comfortable to wear without pain. It also fit for various working conditions. *【Professional Eye Protection】- Auto-darkening filter switches from light to dark in 1/25000 sec, in event of electric failure, the welder remains protecting against UV and IR radiation according to shade 16.1/2/1/2 rating meets ANSIZ87.1-2010 and EN3794/9-13 standards. A smart choice for safety. *【Manual Adjustable Meets Different Demands】- Equipped with sensitivity and delay settings for adaptability for different environments and task duration. Enjoy enhanced visibility and color recognition. Light level of filter is DIN4 and the time from dark to bright state within 0.15s to 0.8s. *【Clear Comfortable View】- Equipped with standard 3.62*1.65in clear visor viewing area, its diffusion of light, variation of luminous transmittance and angular dependence allows the welder to see clearly in different angles; And it is weighted 1.03 lbs, making its wearing experience more comfortable and fatigue-free, suitable for long time working. *【Intelligent & Practical】- The Auto Darkening Filter enables welders to adapt to various working environments by controlling the shade of the lens; Sensitivity adjustments from ambient lighting sources; Battery powered with solar panel technology for longer life (up to 5000 hrs). *【Durable & Wide Application】- Recommended to automotive, construction, and food & beverage manufacturing, metal production and fabrication, military maintenance, repair and operation, mining, oil and gas, transportation, etc. And it can be widely used in various working mission such as mig, tig, arc, weld, grinding and so on. Brand: Solarek Product Type: Welding Helmets Color: Blue Eagle Material: PP Switching Time: ＜1/30000s Delay Time: 0.15s-0.8s Power Supply: 200mAh CR2032 Lithium Battery(included) & Solar Supply Rated Capacity of Lithium Battery: 60mAh Sensitivity: Low-High, Continuously Adjustable Light Shade Control(DIN): 4 Dark Shade Control(DIN): 9-13(Outer Control, stepless shift) Operating Temperature: -5℃-55℃/23°F-131°F Sensor To Weld Arc:2 View Window Size: 9.2*4.2cm/3.62*1.65inch Filter Size: 11*9*1cm/4.33*3.54*0.39inch Adjustable Headgear Size: 25~31.5cm/9.84~12.4in Product Size: 20*21*32cm/7.87*6.27*12.6inch Product Weight: 470g/1.03lbs Package Size: 29x25x21.5cm/11.42x9.85x8.47in Package Weight: 695g/1.54lbs 1* Welding Helmet 1* Adjustable Headband 1*User Manual