Auto darkening Welding Goggles as per the following specifications. 1 ) Light State Shade: DIN 3 2 ) Dark State Shade: DIN 11 3 ) Power Supply: lithium Battery & Solar Powered 60 mAH minimum. 4 ) Switching Time: < 5/ 10000 S. 5 ) Delay Time: 0. 1- 0. 3s. 6 ) Material: PC/ ABS.