Features:

• Brightness changing: #3
• Darkness changing: #11
• Power supply: solar power
• Light-changing speed: 5/10000s
• Lasting time: 0.1s-3s
• Protection material: PC
• Anti-scratching: with the protection coating
• Anti-strong light: decent strong light; protect glasses
• Anti-impact: prevent strong impact; strengthen the glasses
• PC lens: prevent ultraviolet rays

Specification:

• Size: 145.4*53*30mm 
• View size: 51mm*33mm   
• Light shade: DIN3  
• Dark shade: DIN11   
• Shade adjustment: fixed    
• Switching time:
• Sensitive adjustment: fixed   
• Delay time: 0.1s-0.3s  
• Power supply: fixed lithium battery+solar cell  
• Battery capacity: 60mah    
• Work tempareture:-5-55?
• Sensor: 1      
• Material: PC/ABS  
• UV/IR protection class: DINI16
• Package Included: 1 x Glasses