SM68007--WELDING MASK,ADJUSTABLE OUTSIDE

Filter size 110X92X11mmWindows size 90X40mm Ultraviolet ray transmittance rate 313-365nm<3.4x10-6?%Infrared ray transmittance rate 780-1300nm<0.0027% 1300-2000nm<0.0097% Dark shade range DIN9-13Light shade number DIN3Switching time 1/20000s from bright to darkRecovery time 0.6s to 1s from dark to brightPower supply solar cellsEye protection EN379 1/2/1Face protection EN175 Auto-power on/off yes Net weight 460g±10g

SM68007--WELDING MASK, ADJUSTING OUTSIDE