General Description These automatic darkening sunglasses offer effective protection against sparks, electric arcs, and harmful radiation during welding. Thanks to their advanced technology, they automatically switch from light to dark state as soon as an arc is detected, ensuring optimal comfort and safety for the user. Technical Specifications Optional Colors: Blue, Dark Green Filter Size: 108 x 51 x 5.5 mm Field of View: 90 x 34 mm Light Shade: DIN 3 Dark Shade: DIN 11 Dark Shade Adjustment: Not adjustable Switching Time: 5/10000 s Recovery Time: 0.2 s Replaceable Battery: Not replaceable Operating Temperature: -20 to 65 °C Number of Arc Sensors: 2 Mask Material: PA/PP Infrared/UV Protection Rating: DIN 16 Compatibility and Accessories These safety goggles are ideal for use in various welding environments. Including: Construction site, electric welding, gas welding, argon arc welding. Installation: The safety goggles are ready to use and require no complicated installation. Just make sure they are properly fitted to your face for optimal comfort. Usage: For optimal protection, always wear safety goggles when welding. The filter automatically adjusts to the intensity of the arc, guaranteeing clear vision and adequate protection.