BOOMING FLAME Solar Auto Darkening Welding/Grinding Arc Tig Mig Helmet Mas

Ideal for ARC/MIG/TIG/Stick Welding
Grinding Mode : Externally Controlled – Sets Lens in Permanent Light Shade
Viewing Windows : 92.5 x 42.5mm.
response Time : 0.15ms-0.2ms.
retention time : 0.4ms-0.8ms.
delay time : 0.1S~1.2S
Recovery time : 0.1S – 0.8S
Ultraviolet Protection : < 0.0003%(313nm-365nm). Infrared Protection : < 0.027%(780-1300nm).<0.085%(130nm-2000nm). Power : Lithium Battery Powered with Solar Back up (The battery can be replaced) Working temperature : -5°C - 55°C (23°F - 131°F) Storage temperature : -20°C - 70°C (-4°F -158°F) Cartridge Size :110mm x 90mm x 9mm. Light State : DIN4 Dark State : DIN9-13 Battery Type : CR 2450 Sensors : 2 Sensitivity Control : Knob Adjustable Features :