New solar Auto Darkening Welding Lens Filter Shade HappyTime Please have a good time shopping online. Item Description: 100% Brand new This is high quality Solar Auto Darkening Welding Lens Filter，with solar charge function and full automatic ON/OFF，very convenient and efficient. It can shade automatically in welding states and filter out the bad light. You will have a good protection with it at working and precent occupational disease. If you want to get a effective and safety environment，buy it now!!! It Fits all standard welding helmet window opening. Automatic ON/OFF Easy and safety to operate Light weight design High clear view filter Use high quality LCD and multilayer optical interference filter. Shade control: Light states:DIN3 Dark states:DIN11(10) Power supply by Solar battery and lithium battery(no power supply switch)Size of cartridge: about 108x50x5.2mmView area:89x30mmResponse time: 0.5ms· Recovery time: 0.3- 0.7 S (automatic adjustment)· Dark state: 4/11· UV transmittance: <0.0001% (210-365nm)· Infrared transmittance: <0.01% (780- 2000nm)Package Included: 1 x welding lens