- Battery Power Supply- View Window: 3-3/4" x 1-1/2"- Goggle Assembly: 4-3/16" x 3-3/8"- Ultraviolet Ray Transmittance Rate: 313-365nm<2x10%-4- Infrared Ray Transmittance Rate: 780-1300<0.0027%, 1300-2000nm<0.097%- Dark Sta