Note:the helmet and the Lens maybe send with different package， please wait patience when you only received one package，thank you for your understand.<br /><br />- Strong materials and fire retardant，can prevent resistance，anti-aging.<br />- Definition protective filter，you can see the welding conditions clearly when welting the goods.Welding luminosity is soft and comfortable.<br />- It works the moment you start work，this products adopts advanced circuit design.<br />- Striking the arc，the observing window darkens immediately.<br />- Permanent UV/IR protection.<br />- Fashion appearance. Ultra light designing ，wearing comfortable.<br />- High performance solar cells and lithium battery.<br />- Sensitivity and delay time can be adjustable.<br />- Grinding and welding mode can be chosen.<br /><br />Specification<br />Light state shade: DIN4<br />Dark state shade: DIN9-13 free adjustable(External，Variable)<br />Response time:&lt;1/30，000S<br />The return time:Adjustable:0.1-0.8S<br />Sensitivity control:Low or high can be selected<br />Battery:Lithium battery +Solar cells<br />Materials:PP<br />Uv protection：16 levels<br />Operate temperature:?5∪?+55∪<br />Storage temperature:?20∪?+70∪<br />Viewing Area:92x42mm <br /><br />Package include:<br />1 x Welding Helmet<br />1 x Adjustable Headband<br />3 x Lens