* Lightweight well-balanced design, fully adjustable headgear provides comfort and reduces fatigue 
* Battery powered with solar-assist for long life 
* Two independent arc sensors 
* Auto-darkening response time: 1/25,000s 
* Working temperature: - 5C - 55C (23F - 130F) 
* Shade state: #9 - #13 can be adjusted continuously 
* UV/IR protection: DIN16 
* Sensitivity adjustable 
* Welding & Grinding 
* Auto On/Off power 
* Replaceable cover lenses 
* Power supply: solar cell and 1pc CR2032 
* replaceable lithium battery