Optical rating: 1/1/1/1 View area: 115 x 85 mm main window 35 / 80 x 68 mm side window Sensors: 5 Light State (main / side window): DIN 3 Dark State(DIN):4-8/8-14 , 4-8/8<14M main window 10 side windows UV / IR Protection: Up to DIN 16 TIG capability: >=2 amps Switch Time(light to dark):0.04ms(1/25.000Sec) Auto Test:Yes Shade control: Auto/Manual Shade Deviation Of Auto Shade:-2.0- +2.0 Sensivitity Control:0-7,Automatic Delay control (dark to light):0-9(0.06-1.2S), Automatic Tac welding Gradual Shade Return To Clear State:Yes Material of helmet:Nylon Weight: 570 gr Power Supply: Solar Panel & Repalceable Lithium battery 2xCR2032