PE7032 Auto Darkening Welding Filter This solar-powered welding filter will fit into most standard flip-front helmets. Suitable for MIG or stick welding. Light Shade DIN 3 Dark Shade DIN 11 Switching Time =0.5ms @ 22C Delay Time <1sec Operating Temp. -5C to 55C Rate of UV Transmittance 313nm to 365nm <0.0002% Rate of IR Transmittance 780 to 1300nm <0.027% - 1300 to 2000nm <0.094% Unit Size 108 x 51 x 5mm (2in X 4-1/4in) Viewing Area 34 x 88mm Power Supply Solar Net Weight 90gm