Filter size: 110X90X9mmViewing area: 90X35mmUltraviolet ray transmittance rate: 313-365nm<3.4x10-6%Infrared ray transmittance rate: 780-1300nm<0.0027%, 1300-2000nm<0.0097%Dark shade range: DIN11Light shade number: DIN4Arc sensors: 2Switching time: 1/30000s from bright to darkRecovery time: 0.1s to 0.8s from dark to brightPower supply: solar cellsEye protection: EN379 1/2/1Face protection: EN175Testing standard: ANSI Z87.1Auto-power on/off: Yes