Optical rating: 1/1/1/1 View area: 100x49 mm main window Sensors: 2 Light State (main / side window): DIN 3 Dark State(DIN):DIN 11 UV / IR Protection: Up to DIN 16 TIG capability: ≥10 amps Switch Time(light to dark):0.5ms(1/2000Sec) Grind Mode:N/A Shade control: N/A Sensivitity Control:N/A Delay control (dark to light):N/A Material of helmet:Nylon Weight: 510 gr Power Supply: Solar Panel & Repalceable Lithium battery 2xCR2032 Packaging and shipping