• 3.64*1.67 inch clear visor viewing area equipped with true color technology and built-in low voltage alarm
• Power by solar cell and replaceable lithium battery（CR2450） supports long lasting working time(600mAH)
• 1/1/1/1 optical clarity,external grind button allows you to quickly switch between weld(DIN9 -13) and grind mode
• Cheater Lens / Magnifying lens compatible design
• Light weight (18.3 oz )design and adjustable headgear features suitable for long time working