PyramexFire Metal Decorated Auto Darkening Helmet WHAM3030FMSuperior comfort with pivot style headgearvMade of high-impact resistant nylonFour independent arc sensors in a staggered design to deliver the most reliable arc detectionHigh speed lens 1/30000 secondPowered by solar cells and replaceable lithium-batteryIncludes magnification lens holderFully adjustable nylon suspension Pyramex Leadhead Fire Metal Decorated Auto Darkening Welding Helmet WHAM3030FM