Tekware Welding Helmet 4C Lens Technology Solar Power Auto Darkening Hood True Color LCD Welder Mask Breathable Grinding Helmets with Adjustable Shade Range

Features Different with traditional passive shading lens, made from various additives and pigment. ADF adopts LCD as lens ADF , using the probe on mirror surface to probe the appearance and disappearance of arc when welding , and using electricity to drive shading level of the LCD to achieve the goal of protecting us from harmful rays, can absolutely reflect ultraviolet rays and ultrared rays .In addition, hands are thoroughly set free. Welding is more exactly. Therefore, efficiency is improved. The head hoop of the welding face has the size and the four direction adjustment function, which can be adjusted flexibly according to the requirements of the head type and comfort. Tekware company is committed to providing the best quality products and services and we have so many years experience about our products, our most attention to any details of products will bring you satisfactory experience Specifications Material: PP/PA Screen: Liquid-Crystal Product size: 30 cm×23 cm×20cm / 11.81 inch×9.06 inch×7.87 inch Filter Size: 110mm×90mm×9mm/4.33inch×3.54inch×0.35inch Active Viewing Area: 92.5mm×42.5mm/3.64inch×1.67inch Sensors to Weld Arc: 2 Light Shade: DIN4 Dark Shade: DIN9-13 Optical Grade: 1/1/1/1 Switching Time: ?1/10000s Sensitivity Adjustment: Knob Adjustable Delay Time: 0.1?0.8s Power Supply: Lithium Battery& Solar Supply Rated Capacity of Lithium Battery: 600mAh Replaceable Lithium Battery: YES Operating Temperature: -20??65? Protect Grade against UVB: Permanent Shade DIN16 Grind Function: YES Low Battery Indicator: YES Test Function: YES