Note:the helmet and the Lens maybe send with different package｣ｬ please wait patience when you only received one package｣ｬthank you for your understand.<br /><br />- Strong materials and fire retardant｣ｬcan prevent resistance｣ｬanti-aging.<br />- Definition protective filter｣ｬ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｣ｬthis products adopts advanced circuit design.<br />- Striking the arc｣ｬthe observing window darkens immediately.<br />- Permanent UV/IR protection.<br />- Fashion appearance. Ultra light designing ｣ｬ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｣ｬVariable)<br />Response time:&lt;1/30｣ｬ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｣ｺ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