CHAYOUCHAYOU DARKENING WELDING GOGGLES KIT

The K Tools InternationalAuto-Darkening Welding Mask Kit is a high-tech product manufactured withspectral filtering technology photoelectric sensors and control unittechnology. The photoelectric sensors makes liquid crystal change from brightto dark state as soon as it receives arclight. It also changes from dark tobright state when welding is finished to protect the eyes of users fromarclight splash and harmful radiations of IR/UV lighting.