Features Automatic light protection glasses using automatic light film lightweight and convenient Solar lithium battery no need to replace the battery automatic standby without loss of power Anti glare anti spatter the scope of application electrical welding cutting category Specifications Mask Material PA PP plasticActive Viewing Area 90 x 30mmLight Shade DIN4Dark Shade DIN11Switching Time 1 10000sDelay Time 0 2sOperating Temperature 10℃ 65℃Sensors To Weld Arc 2Size 150 x 64 x 12mmProtect Grade Against DIN15Note Before welding wear welding glasses after welding workers have a clear vision both hands are liberated you can accurately locate the welding point When welding automatic variable light screen in 0 2 milliseconds will become dark to protect the role of the eye in a variety of lighting conditions the filter can quickly and reliably filter a variety of welding arc After welding After the welding is completed the automatic lens will return to the bright state the welding can immediately check the welding battery and can prepare for the next welding Package Included 1 x Welding Helmet1 x Elastic Band2 x Glasses FrameDetail Pictures