SIP 02886 Meteor 2300F Electronic Welding Shield The SIP Meteor 2300F Electronic Headshield boasts a fast light-to-dark response time, effectively protecting eyes from sudden arcs, powered via solar panel and Lithium CR2450 3V batteries. Features:   Striking and distinctive flame design  Adjustable weld/cut/grind mode settings: 4 shade for grinding, 5 - 9 shade for plasma cutting, 9 - 13 shade for ARC/MIG/TIG welding  1/10,000 second light-to-dark response time  Test button checks headshield functions correctly  Solar panel + 2 x Lithium CR2450 3V batteries  Adjustable padded headband for extended comfort  Lightweight construction - weighs only 0.5kg!  Low power warning light  4 x light sensors   Uses True Colour HD LCD lens technology Specification:  Filter Size: 133mm x 114mm x 10mm  Viewing Area: 100mm x 59.5mm  Outer Protection Lens: 134mm x 114mm  Inner Protection Lens: 105mm x 66mm  Grinding Shade: Shade 4  Plasma Cutting Shade: Shade 5 - 9  ARC/MIG/TIG Shade: Shade 9 - 13  Battery/Solar: 2 x Lithium CR2450 3V  Response Time: 1/10,000 second  Delay Time: 0.1 - 0.8 seconds  Operating Temperature: -20°C to +65°C